diff --git a/doc/plugin/CycleTimeReport.md b/doc/plugin/CycleTimeReport.md
index 8578318f..e696bae1 100644
--- a/doc/plugin/CycleTimeReport.md
+++ b/doc/plugin/CycleTimeReport.md
@@ -17,7 +17,7 @@ the box, without any further configuration:
 KALEIDOSCOPE_INIT_PLUGINS(CycleTimeReport);
 
 void setup (void) {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
   Kaleidoscope.setup ();
 }
 ```
diff --git a/doc/plugin/EEPROM-Settings.md b/doc/plugin/EEPROM-Settings.md
index 1969c30b..fd7ac222 100644
--- a/doc/plugin/EEPROM-Settings.md
+++ b/doc/plugin/EEPROM-Settings.md
@@ -43,7 +43,7 @@ void setup () {
     return;
   }
 
-  KeyboardHardware.storage().get(settingsBase, testSettings);
+  Kaleidoscope.storage().get(settingsBase, testSettings);
 }
 ```
 
diff --git a/doc/plugin/Leader.md b/doc/plugin/Leader.md
index d6335795..83ae196e 100644
--- a/doc/plugin/Leader.md
+++ b/doc/plugin/Leader.md
@@ -32,11 +32,11 @@ dictionary:
 #include <Kaleidoscope-Leader.h>
 
 static void leaderA(uint8_t seq_index) {
-  KeyboardHardware.serialPort().println("leaderA");
+  Kaleidoscope.serialPort().println("leaderA");
 }
 
 static void leaderTX(uint8_t seq_index) {
-  KeyboardHardware.serialPort().println("leaderTX");
+  Kaleidoscope.serialPort().println("leaderTX");
 }
 
 static const kaleidoscope::Leader::dictionary_t leader_dictionary[] PROGMEM =
@@ -46,7 +46,7 @@ static const kaleidoscope::Leader::dictionary_t leader_dictionary[] PROGMEM =
 KALEIDOSCOPE_INIT_PLUGINS(Leader);
 
 void setup() {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
 
   Kaleidoscope.setup();
 
diff --git a/doc/plugin/Syster.md b/doc/plugin/Syster.md
index 52910d9b..4255226a 100644
--- a/doc/plugin/Syster.md
+++ b/doc/plugin/Syster.md
@@ -34,8 +34,8 @@ void systerAction(kaleidoscope::plugin::Syster::action_t action, const char *sym
     kaleidoscope::hid::sendKeyboardReport ();
     break;
   case kaleidoscope::plugin::Syster::SymbolAction:
-    KeyboardHardware.serialPort().print ("systerAction: symbol=");
-    KeyboardHardware.serialPort().println (symbol);
+    Kaleidoscope.serialPort().print ("systerAction: symbol=");
+    Kaleidoscope.serialPort().println (symbol);
     if (strcmp (symbol, "coffee") == 0) {
       Unicode.type (0x2615);
     }
@@ -46,7 +46,7 @@ void systerAction(kaleidoscope::plugin::Syster::action_t action, const char *sym
 KALEIDOSCOPE_INIT_PLUGINS(EEPROMSettings, HostOS, Unicode, Syster);
 
 void setup() {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
   Kaleidoscope.setup ();
 }
 ```
diff --git a/examples/Devices/KBDFans/KBD4x/KBD4x.ino b/examples/Devices/KBDFans/KBD4x/KBD4x.ino
index 820adbf5..bb7d433d 100644
--- a/examples/Devices/KBDFans/KBD4x/KBD4x.ino
+++ b/examples/Devices/KBDFans/KBD4x/KBD4x.ino
@@ -78,7 +78,7 @@ KALEIDOSCOPE_INIT_PLUGINS(Macros);
 const macro_t *macroAction(uint8_t macroIndex, uint8_t keyState) {
   switch (macroIndex) {
   case RESET:
-    KeyboardHardware.resetDevice();
+    Kaleidoscope.device().resetDevice();
     break;
   default:
     break;
diff --git a/examples/Devices/Keyboardio/Model01/Model01.ino b/examples/Devices/Keyboardio/Model01/Model01.ino
index 26d4d50b..775261c1 100644
--- a/examples/Devices/Keyboardio/Model01/Model01.ino
+++ b/examples/Devices/Keyboardio/Model01/Model01.ino
@@ -86,7 +86,7 @@ static kaleidoscope::plugin::LEDSolidColor solidViolet(70, 0, 60);
 
 const macro_t *macroAction(uint8_t macroIndex, uint8_t keyState) {
   if (macroIndex == 1 && keyToggledOn(keyState)) {
-    KeyboardHardware.serialPort().print("Keyboard.IO keyboard driver v0.00");
+    Kaleidoscope.serialPort().print("Keyboard.IO keyboard driver v0.00");
     return MACRO(I(25),
                  D(LeftShift), T(M), U(LeftShift), T(O), T(D), T(E), T(L),
                  T(Spacebar),
diff --git a/examples/Devices/OLKB/Planck/Planck.ino b/examples/Devices/OLKB/Planck/Planck.ino
index 8d936504..6fd163de 100644
--- a/examples/Devices/OLKB/Planck/Planck.ino
+++ b/examples/Devices/OLKB/Planck/Planck.ino
@@ -31,7 +31,7 @@ enum {  _QWERTY,
 
 
 /* *INDENT-OFF* */
-KEYMAPS( 
+KEYMAPS(
 
 /* Qwerty
  * ,-----------------------------------------------------------------------------------.
@@ -167,7 +167,7 @@ KALEIDOSCOPE_INIT_PLUGINS(Macros);
 
 void setup() {
   Kaleidoscope.setup();
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
 }
 
 void loop() {
diff --git a/examples/Devices/SOFTHRUF/Splitography/Splitography.ino b/examples/Devices/SOFTHRUF/Splitography/Splitography.ino
index 005cadf1..d0a83bd7 100644
--- a/examples/Devices/SOFTHRUF/Splitography/Splitography.ino
+++ b/examples/Devices/SOFTHRUF/Splitography/Splitography.ino
@@ -50,7 +50,7 @@ KEYMAPS(
 KALEIDOSCOPE_INIT_PLUGINS(GeminiPR);
 
 void setup() {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
   Kaleidoscope.setup();
 }
 
diff --git a/examples/Devices/Technomancy/Atreus/Atreus.ino b/examples/Devices/Technomancy/Atreus/Atreus.ino
index c6380c6b..72fda7f8 100644
--- a/examples/Devices/Technomancy/Atreus/Atreus.ino
+++ b/examples/Devices/Technomancy/Atreus/Atreus.ino
@@ -83,7 +83,7 @@ KALEIDOSCOPE_INIT_PLUGINS(Macros);
 const macro_t *macroAction(uint8_t macroIndex, uint8_t keyState) {
   switch (macroIndex) {
   case RESET:
-    KeyboardHardware.resetDevice();
+    Kaleidoscope.device().resetDevice();
     break;
   default:
     break;
diff --git a/examples/Features/CycleTimeReport/CycleTimeReport.ino b/examples/Features/CycleTimeReport/CycleTimeReport.ino
index 99025e32..4248e90d 100644
--- a/examples/Features/CycleTimeReport/CycleTimeReport.ino
+++ b/examples/Features/CycleTimeReport/CycleTimeReport.ino
@@ -43,7 +43,7 @@ KEYMAPS(
 KALEIDOSCOPE_INIT_PLUGINS(CycleTimeReport);
 
 void setup() {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
   Kaleidoscope.setup();
 }
 
diff --git a/examples/Features/EEPROM/EEPROM-Keymap-Programmer/EEPROM-Keymap-Programmer.ino b/examples/Features/EEPROM/EEPROM-Keymap-Programmer/EEPROM-Keymap-Programmer.ino
index 83eb0524..10345d12 100644
--- a/examples/Features/EEPROM/EEPROM-Keymap-Programmer/EEPROM-Keymap-Programmer.ino
+++ b/examples/Features/EEPROM/EEPROM-Keymap-Programmer/EEPROM-Keymap-Programmer.ino
@@ -56,7 +56,7 @@ KALEIDOSCOPE_INIT_PLUGINS(EEPROMSettings,
                           Macros);
 
 void setup() {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
 
   Kaleidoscope.setup();
 
diff --git a/examples/Features/EEPROM/EEPROM-Settings/EEPROM-Settings.ino b/examples/Features/EEPROM/EEPROM-Settings/EEPROM-Settings.ino
index 3f3f1fb5..93d3eccd 100644
--- a/examples/Features/EEPROM/EEPROM-Settings/EEPROM-Settings.ino
+++ b/examples/Features/EEPROM/EEPROM-Settings/EEPROM-Settings.ino
@@ -42,16 +42,16 @@ KEYMAPS(
 KALEIDOSCOPE_INIT_PLUGINS(EEPROMSettings);
 
 void setup() {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
 
   Kaleidoscope.setup();
 
-  while (!KeyboardHardware.serialPort()) {
+  while (!Kaleidoscope.serialPort()) {
   }
 
-  KeyboardHardware.serialPort().println(EEPROMSettings.isValid() ? F("valid EEPROM settings") : F("invalid EEPROM settings"));
-  KeyboardHardware.serialPort().println(EEPROMSettings.crc(), HEX);
-  KeyboardHardware.serialPort().println(EEPROMSettings.version());
+  Kaleidoscope.serialPort().println(EEPROMSettings.isValid() ? F("valid EEPROM settings") : F("invalid EEPROM settings"));
+  Kaleidoscope.serialPort().println(EEPROMSettings.crc(), HEX);
+  Kaleidoscope.serialPort().println(EEPROMSettings.version());
 }
 
 void loop() {
diff --git a/examples/Features/HostOS/HostOS.ino b/examples/Features/HostOS/HostOS.ino
index 1e25fa6f..575b2c6b 100644
--- a/examples/Features/HostOS/HostOS.ino
+++ b/examples/Features/HostOS/HostOS.ino
@@ -43,12 +43,12 @@ KEYMAPS(
 KALEIDOSCOPE_INIT_PLUGINS(EEPROMSettings, HostOS);
 
 void setup() {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
 
   Kaleidoscope.setup();
 
-  KeyboardHardware.serialPort().print("Host OS id is: ");
-  KeyboardHardware.serialPort().println(HostOS.os(), DEC);
+  Kaleidoscope.serialPort().print("Host OS id is: ");
+  Kaleidoscope.serialPort().println(HostOS.os(), DEC);
 }
 
 void loop() {
diff --git a/examples/Features/Steno/Steno.ino b/examples/Features/Steno/Steno.ino
index da416c46..91f4e709 100644
--- a/examples/Features/Steno/Steno.ino
+++ b/examples/Features/Steno/Steno.ino
@@ -61,7 +61,7 @@ KEYMAPS(
 KALEIDOSCOPE_INIT_PLUGINS(GeminiPR);
 
 void setup() {
-  KeyboardHardware.serialPort().begin(9600);
+  Kaleidoscope.serialPort().begin(9600);
   Kaleidoscope.setup();
 }
 
diff --git a/examples/Keystrokes/Leader/Leader.ino b/examples/Keystrokes/Leader/Leader.ino
index a4ecbe3d..90d4b72a 100644
--- a/examples/Keystrokes/Leader/Leader.ino
+++ b/examples/Keystrokes/Leader/Leader.ino
@@ -40,11 +40,11 @@ KEYMAPS(
 // *INDENT-ON*
 
 static void leaderTestA(uint8_t seq_index) {
-  KeyboardHardware.serialPort().println(F("leaderTestA"));
+  Kaleidoscope.serialPort().println(F("leaderTestA"));
 }
 
 static void leaderTestAA(uint8_t seq_index) {
-  KeyboardHardware.serialPort().println(F("leaderTestAA"));
+  Kaleidoscope.serialPort().println(F("leaderTestAA"));
 }
 
 static const kaleidoscope::plugin::Leader::dictionary_t leader_dictionary[] PROGMEM =
diff --git a/examples/Keystrokes/Syster/Syster.ino b/examples/Keystrokes/Syster/Syster.ino
index 35695d16..75748bec 100644
--- a/examples/Keystrokes/Syster/Syster.ino
+++ b/examples/Keystrokes/Syster/Syster.ino
@@ -56,8 +56,8 @@ void systerAction(kaleidoscope::plugin::Syster::action_t action, const char *sym
     kaleidoscope::hid::sendKeyboardReport();
     break;
   case kaleidoscope::plugin::Syster::SymbolAction:
-    KeyboardHardware.serialPort().print("systerAction: symbol=");
-    KeyboardHardware.serialPort().println(symbol);
+    Kaleidoscope.serialPort().print("systerAction: symbol=");
+    Kaleidoscope.serialPort().println(symbol);
     if (strcmp(symbol, "coffee") == 0) {
       Unicode.type(0x2615);
     }
diff --git a/src/kaleidoscope/Hardware.h b/src/kaleidoscope/Hardware.h
index 21c9a148..6fcbdee0 100644
--- a/src/kaleidoscope/Hardware.h
+++ b/src/kaleidoscope/Hardware.h
@@ -246,7 +246,7 @@ class Hardware {
    *
    * Because different hardware has different ways to accomplish this, the
    * hardware plugin must provide these functions. Kaleidoscope will wrap them,
-   * so user code does not have to deal with KeyboardHardware.
+   * so user code does not have to deal with `Kaleidoscope.device()`.
    * @{
    */
   /**
diff --git a/src/kaleidoscope/Kaleidoscope.cpp b/src/kaleidoscope/Kaleidoscope.cpp
index 7d980283..02a7aaaf 100644
--- a/src/kaleidoscope/Kaleidoscope.cpp
+++ b/src/kaleidoscope/Kaleidoscope.cpp
@@ -34,11 +34,11 @@ Kaleidoscope_::setup(void) {
   //
   // TODO(anyone): Figure out a way we can get rid of this, and fix the bug
   // properly.
-  KeyboardHardware.serialPort().begin(9600);
+  device().serialPort().begin(9600);
 
   kaleidoscope::Hooks::onSetup();
 
-  KeyboardHardware.setup();
+  device().setup();
 
   kaleidoscope::hid::initializeKeyboard();
   kaleidoscope::hid::initializeConsumerControl();
@@ -57,7 +57,7 @@ Kaleidoscope_::loop(void) {
 
   kaleidoscope::Hooks::beforeEachCycle();
 
-  KeyboardHardware.scanMatrix();
+  device().scanMatrix();
 
   kaleidoscope::Hooks::beforeReportingState();
 
diff --git a/src/kaleidoscope/Kaleidoscope.h b/src/kaleidoscope/Kaleidoscope.h
index f383f158..87fae103 100644
--- a/src/kaleidoscope/Kaleidoscope.h
+++ b/src/kaleidoscope/Kaleidoscope.h
@@ -38,8 +38,9 @@ void setup();
 
 #include KALEIDOSCOPE_HARDWARE_H
 #include "kaleidoscope/device/key_indexes.h"
+#include "kaleidoscope_internal/device.h"
 
-extern HARDWARE_IMPLEMENTATION KeyboardHardware;
+static constexpr kaleidoscope::Device &KeyboardHardware = kaleidoscope_internal::device;
 
 #ifdef PER_KEY_DATA_STACKED
 #define KEYMAP_STACKED(...) { PER_KEY_DATA_STACKED(XXX, __VA_ARGS__) }
@@ -49,9 +50,9 @@ extern HARDWARE_IMPLEMENTATION KeyboardHardware;
 #define KEYMAP(...) { PER_KEY_DATA(XXX, __VA_ARGS__) }
 #endif
 
-#define ROWS (KeyboardHardware.matrix_rows)
-#define COLS (KeyboardHardware.matrix_columns)
-#define LED_COUNT (KeyboardHardware.led_count)
+static constexpr uint8_t ROWS = kaleidoscope_internal::device.matrix_rows;
+static constexpr uint8_t COLS = kaleidoscope_internal::device.matrix_columns;
+static constexpr uint8_t LED_COUNT = kaleidoscope_internal::device.led_count;
 
 #include "kaleidoscope/KeyAddr.h"
 #include "kaleidoscope/key_events.h"
@@ -108,13 +109,17 @@ class Kaleidoscope_ {
   void setup(void);
   void loop(void);
 
-  static constexpr bool has_leds = (KeyboardHardware.led_count > 0);
+  static constexpr kaleidoscope::Device &device() {
+    return kaleidoscope_internal::device;
+  }
+
+  static constexpr bool has_leds = (kaleidoscope_internal::device.led_count > 0);
 
   /** Detaching from / attaching to the host.
    *
    * These two functions wrap the hardware plugin's similarly named functions.
    * We wrap them, because we'd like plugins and user-code not having to use
-   * `KeyboardHardware` directly.
+   * `Kaleidoscope.device()` directly.
    *
    * The methods themselves implement detaching from / attaching to the host,
    * without rebooting the device, and remaining powered in between.
@@ -123,10 +128,23 @@ class Kaleidoscope_ {
    * detach and attach.
    */
   void detachFromHost() {
-    KeyboardHardware.detachFromHost();
+    device().detachFromHost();
   }
   void attachToHost() {
-    KeyboardHardware.attachToHost();
+    device().attachToHost();
+  }
+
+  /** Wrapper functions for some device features.
+   *
+   * The next three functions wrap methods of the device plugin, to make using
+   * them in user sketches easier, and require less typing.
+   */
+  auto serialPort() -> decltype(device().serialPort()) & {
+    return device().serialPort();
+  }
+
+  auto storage() -> decltype(device().storage()) & {
+    return device().storage();
   }
 
   /** Returns the timer as it was at the start of the cycle.
diff --git a/src/kaleidoscope/KeyAddr.h b/src/kaleidoscope/KeyAddr.h
index 2ac66d73..3762b0b5 100644
--- a/src/kaleidoscope/KeyAddr.h
+++ b/src/kaleidoscope/KeyAddr.h
@@ -18,6 +18,4 @@
 
 #include KALEIDOSCOPE_HARDWARE_H
 
-extern HARDWARE_IMPLEMENTATION KeyboardHardware;
-
-typedef HARDWARE_IMPLEMENTATION::KeyAddr KeyAddr;
+typedef kaleidoscope::Device::KeyAddr KeyAddr;
diff --git a/src/kaleidoscope/device/ATMegaKeyboard.cpp b/src/kaleidoscope/device/ATMegaKeyboard.cpp
index 5a552a5e..655a5f6a 100644
--- a/src/kaleidoscope/device/ATMegaKeyboard.cpp
+++ b/src/kaleidoscope/device/ATMegaKeyboard.cpp
@@ -29,14 +29,14 @@ uint8_t ATMegaKeyboard::debounce = 3;
 void ATMegaKeyboard::setup(void) {
   wdt_disable();
 
-  for (uint8_t i = 0; i < KeyboardHardware.matrix_columns; i++) {
-    DDR_INPUT(KeyboardHardware.matrix_col_pins[i]);
-    ENABLE_PULLUP(KeyboardHardware.matrix_col_pins[i]);
+  for (uint8_t i = 0; i < Kaleidoscope.device().matrix_columns; i++) {
+    DDR_INPUT(Kaleidoscope.device().matrix_col_pins[i]);
+    ENABLE_PULLUP(Kaleidoscope.device().matrix_col_pins[i]);
   }
 
-  for (uint8_t i = 0; i < KeyboardHardware.matrix_rows; i++) {
-    DDR_OUTPUT(KeyboardHardware.matrix_row_pins[i]);
-    OUTPUT_HIGH(KeyboardHardware.matrix_row_pins[i]);
+  for (uint8_t i = 0; i < Kaleidoscope.device().matrix_rows; i++) {
+    DDR_OUTPUT(Kaleidoscope.device().matrix_row_pins[i]);
+    OUTPUT_HIGH(Kaleidoscope.device().matrix_row_pins[i]);
   }
 
   /* Set up Timer1 for 1700usec */
@@ -51,24 +51,24 @@ void ATMegaKeyboard::setup(void) {
 }
 
 void __attribute__((optimize(3))) ATMegaKeyboard::readMatrix(void) {
-  for (uint8_t current_row = 0; current_row < KeyboardHardware.matrix_rows; current_row++) {
+  for (uint8_t current_row = 0; current_row < Kaleidoscope.device().matrix_rows; current_row++) {
     uint16_t mask, cols;
 
-    mask = KeyboardHardware.debounceMaskForRow(current_row);
+    mask = Kaleidoscope.device().debounceMaskForRow(current_row);
 
-    OUTPUT_TOGGLE(KeyboardHardware.matrix_row_pins[current_row]);
-    cols = (KeyboardHardware.readCols() & mask) | (KeyboardHardware.keyState_[current_row] & ~mask);
-    OUTPUT_TOGGLE(KeyboardHardware.matrix_row_pins[current_row]);
-    KeyboardHardware.debounceRow(cols ^ KeyboardHardware.keyState_[current_row], current_row);
-    KeyboardHardware.keyState_[current_row] = cols;
+    OUTPUT_TOGGLE(Kaleidoscope.device().matrix_row_pins[current_row]);
+    cols = (Kaleidoscope.device().readCols() & mask) | (Kaleidoscope.device().keyState_[current_row] & ~mask);
+    OUTPUT_TOGGLE(Kaleidoscope.device().matrix_row_pins[current_row]);
+    Kaleidoscope.device().debounceRow(cols ^ Kaleidoscope.device().keyState_[current_row], current_row);
+    Kaleidoscope.device().keyState_[current_row] = cols;
   }
 }
 
 uint8_t ATMegaKeyboard::pressedKeyswitchCount() {
   uint8_t count = 0;
 
-  for (int8_t r = 0; r < KeyboardHardware.matrix_rows; r++) {
-    count += __builtin_popcount(KeyboardHardware.keyState_[r]);
+  for (int8_t r = 0; r < Kaleidoscope.device().matrix_rows; r++) {
+    count += __builtin_popcount(Kaleidoscope.device().keyState_[r]);
   }
   return count;
 }
@@ -76,28 +76,28 @@ uint8_t ATMegaKeyboard::pressedKeyswitchCount() {
 uint8_t ATMegaKeyboard::previousPressedKeyswitchCount() {
   uint8_t count = 0;
 
-  for (int8_t r = 0; r < KeyboardHardware.matrix_rows; r++) {
-    count += __builtin_popcount(KeyboardHardware.previousKeyState_[r]);
+  for (int8_t r = 0; r < Kaleidoscope.device().matrix_rows; r++) {
+    count += __builtin_popcount(Kaleidoscope.device().previousKeyState_[r]);
   }
   return count;
 }
 
 void __attribute__((optimize(3))) ATMegaKeyboard::actOnMatrixScan() {
-  for (byte row = 0; row < KeyboardHardware.matrix_rows; row++) {
-    for (byte col = 0; col < KeyboardHardware.matrix_columns; col++) {
-      uint8_t keyState = (bitRead(KeyboardHardware.previousKeyState_[row], col) << 0) |
-                         (bitRead(KeyboardHardware.keyState_[row], col) << 1);
+  for (byte row = 0; row < Kaleidoscope.device().matrix_rows; row++) {
+    for (byte col = 0; col < Kaleidoscope.device().matrix_columns; col++) {
+      uint8_t keyState = (bitRead(Kaleidoscope.device().previousKeyState_[row], col) << 0) |
+                         (bitRead(Kaleidoscope.device().keyState_[row], col) << 1);
       if (keyState) {
         handleKeyswitchEvent(Key_NoKey, ::KeyAddr(row, col), keyState);
       }
     }
-    KeyboardHardware.previousKeyState_[row] = KeyboardHardware.keyState_[row];
+    Kaleidoscope.device().previousKeyState_[row] = Kaleidoscope.device().keyState_[row];
   }
 }
 
 void ATMegaKeyboard::scanMatrix() {
   // We ALWAYS want to tell Kaleidoscope about the state of the matrix
-  KeyboardHardware.actOnMatrixScan();
+  Kaleidoscope.device().actOnMatrixScan();
 }
 
 /*
@@ -116,9 +116,9 @@ void ATMegaKeyboard::scanMatrix() {
 __attribute__((optimize("no-unroll-loops")))
 uint16_t ATMegaKeyboard::readCols() {
   uint16_t results = 0x00 ;
-  for (uint8_t i = 0; i < KeyboardHardware.matrix_columns; i++) {
+  for (uint8_t i = 0; i < Kaleidoscope.device().matrix_columns; i++) {
     asm("NOP"); // We need to pause a beat before reading or we may read before the pin is hot
-    results |= (!READ_PIN(KeyboardHardware.matrix_col_pins[i]) << i);
+    results |= (!READ_PIN(Kaleidoscope.device().matrix_col_pins[i]) << i);
   }
   return results;
 }
@@ -126,9 +126,9 @@ uint16_t ATMegaKeyboard::readCols() {
 uint16_t ATMegaKeyboard::debounceMaskForRow(uint8_t row) {
   uint16_t result = 0;
 
-  for (uint16_t c = 0; c < KeyboardHardware.matrix_columns; ++c) {
-    if (KeyboardHardware.debounce_matrix_[row][c]) {
-      --KeyboardHardware.debounce_matrix_[row][c];
+  for (uint16_t c = 0; c < Kaleidoscope.device().matrix_columns; ++c) {
+    if (Kaleidoscope.device().debounce_matrix_[row][c]) {
+      --Kaleidoscope.device().debounce_matrix_[row][c];
     } else {
       result |= _BV(c);
     }
@@ -137,9 +137,9 @@ uint16_t ATMegaKeyboard::debounceMaskForRow(uint8_t row) {
 }
 
 void ATMegaKeyboard::debounceRow(uint16_t change, uint8_t row) {
-  for (uint16_t i = 0; i < KeyboardHardware.matrix_columns; ++i) {
+  for (uint16_t i = 0; i < Kaleidoscope.device().matrix_columns; ++i) {
     if (change & _BV(i)) {
-      KeyboardHardware.debounce_matrix_[row][i] = debounce;
+      Kaleidoscope.device().debounce_matrix_[row][i] = debounce;
     }
   }
 }
diff --git a/src/kaleidoscope/device/ATMegaKeyboard.h b/src/kaleidoscope/device/ATMegaKeyboard.h
index 938af929..8846b72c 100644
--- a/src/kaleidoscope/device/ATMegaKeyboard.h
+++ b/src/kaleidoscope/device/ATMegaKeyboard.h
@@ -130,7 +130,7 @@ struct cRGB {
   volatile uint8_t BOARD::debounce_matrix_[matrix_rows][matrix_columns]; \
                                                                 \
   ISR(TIMER1_OVF_vect) {                                        \
-    KeyboardHardware.readMatrix();				\
+    Kaleidoscope.device().readMatrix();                         \
   }
 
 namespace kaleidoscope {
diff --git a/src/kaleidoscope/device/ez/ErgoDox.cpp b/src/kaleidoscope/device/ez/ErgoDox.cpp
index db3fc80b..6bc45b6c 100644
--- a/src/kaleidoscope/device/ez/ErgoDox.cpp
+++ b/src/kaleidoscope/device/ez/ErgoDox.cpp
@@ -36,10 +36,10 @@ namespace device {
 namespace ez {
 
 ErgoDoxScanner ErgoDox::scanner_;
-uint8_t ErgoDox::previousKeyState_[ROWS];
-uint8_t ErgoDox::keyState_[ROWS];
-uint8_t ErgoDox::masks_[ROWS];
-uint8_t ErgoDox::debounce_matrix_[ROWS][COLS];
+uint8_t ErgoDox::previousKeyState_[matrix_rows];
+uint8_t ErgoDox::keyState_[matrix_rows];
+uint8_t ErgoDox::masks_[matrix_rows];
+uint8_t ErgoDox::debounce_matrix_[matrix_rows][matrix_columns];
 uint8_t ErgoDox::debounce = 5;
 
 static bool do_scan_ = 1;
@@ -96,20 +96,20 @@ void __attribute__((optimize(3))) ErgoDox::readMatrix() {
 
   scanner_.reattachExpanderOnError();
 
-  for (uint8_t row = 0; row < ROWS / 2; row++) {
+  for (uint8_t row = 0; row < matrix_rows / 2; row++) {
     scanner_.selectExtenderRow(row);
     scanner_.toggleATMegaRow(row);
 
     readMatrixRow(row);
-    readMatrixRow(row + ROWS / 2);
+    readMatrixRow(row + matrix_rows / 2);
 
     scanner_.toggleATMegaRow(row);
   }
 }
 
 void __attribute__((optimize(3))) ErgoDox::actOnMatrixScan() {
-  for (byte row = 0; row < ROWS; row++) {
-    for (byte col = 0; col < COLS; col++) {
+  for (byte row = 0; row < matrix_rows; row++) {
+    for (byte col = 0; col < matrix_columns; col++) {
       uint8_t keyState = (bitRead(previousKeyState_[row], col) << 0) |
                          (bitRead(keyState_[row], col) << 1);
       if (keyState)
@@ -205,7 +205,7 @@ void ErgoDox::resetDevice() {
 uint8_t ErgoDox::debounceMaskForRow(uint8_t row) {
   uint8_t result = 0;
 
-  for (uint8_t c = 0; c < COLS; ++c) {
+  for (uint8_t c = 0; c < matrix_columns; ++c) {
     if (debounce_matrix_[row][c]) {
       --debounce_matrix_[row][c];
     } else {
@@ -216,7 +216,7 @@ uint8_t ErgoDox::debounceMaskForRow(uint8_t row) {
 }
 
 void ErgoDox::debounceRow(uint8_t change, uint8_t row) {
-  for (uint8_t i = 0; i < COLS; ++i) {
+  for (uint8_t i = 0; i < matrix_columns; ++i) {
     if (change & (1 << i)) {
       debounce_matrix_[row][i] = debounce;
     }
@@ -244,7 +244,7 @@ bool ErgoDox::wasKeyswitchPressed(uint8_t keyIndex) {
 uint8_t ErgoDox::previousPressedKeyswitchCount() {
   uint8_t count = 0;
 
-  for (uint8_t r = 0; r < ROWS; r++) {
+  for (uint8_t r = 0; r < matrix_rows; r++) {
     count += __builtin_popcount(previousKeyState_[r]);
   }
   return count;
@@ -253,7 +253,7 @@ uint8_t ErgoDox::previousPressedKeyswitchCount() {
 uint8_t ErgoDox::pressedKeyswitchCount() {
   uint8_t count = 0;
 
-  for (uint8_t r = 0; r < ROWS; r++) {
+  for (uint8_t r = 0; r < matrix_rows; r++) {
     count += __builtin_popcount(keyState_[r]);
   }
   return count;
@@ -263,7 +263,6 @@ uint8_t ErgoDox::pressedKeyswitchCount() {
 }
 }
 
-HARDWARE_IMPLEMENTATION KeyboardHardware;
-kaleidoscope::device::ez::ErgoDox &ErgoDox = KeyboardHardware;
+kaleidoscope::device::ez::ErgoDox &ErgoDox = kaleidoscope_internal::device;
 
 #endif
diff --git a/src/kaleidoscope/device/ez/ErgoDox.h b/src/kaleidoscope/device/ez/ErgoDox.h
index cc431aef..424d6a39 100644
--- a/src/kaleidoscope/device/ez/ErgoDox.h
+++ b/src/kaleidoscope/device/ez/ErgoDox.h
@@ -31,7 +31,6 @@
 
 #include "kaleidoscope/device/ez/ErgoDox/ErgoDoxScanner.h"
 
-#define HARDWARE_IMPLEMENTATION kaleidoscope::device::ez::ErgoDox
 #include "Kaleidoscope-HIDAdaptor-KeyboardioHID.h"
 
 #include "kaleidoscope/macro_helpers.h"
@@ -154,6 +153,9 @@ class ErgoDox : public kaleidoscope::Hardware {
     r0c13, r1c13, r2c13, r3c13, r4c13, dflt
 }
 }
+
+typedef kaleidoscope::device::ez::ErgoDox Device;
+
 }
 
 extern kaleidoscope::device::ez::ErgoDox DEPRECATED(NAMED_HARDWARE) &ErgoDox;
diff --git a/src/kaleidoscope/device/kbdfans/KBD4x.cpp b/src/kaleidoscope/device/kbdfans/KBD4x.cpp
index 5f776849..3cbc7268 100644
--- a/src/kaleidoscope/device/kbdfans/KBD4x.cpp
+++ b/src/kaleidoscope/device/kbdfans/KBD4x.cpp
@@ -56,7 +56,6 @@ void KBD4x::resetDevice() {
 }
 }
 
-HARDWARE_IMPLEMENTATION KeyboardHardware;
-kaleidoscope::device::kbdfans::KBD4x &KBD4x = KeyboardHardware;
+kaleidoscope::device::kbdfans::KBD4x &KBD4x = kaleidoscope_internal::device;
 
 #endif
diff --git a/src/kaleidoscope/device/kbdfans/KBD4x.h b/src/kaleidoscope/device/kbdfans/KBD4x.h
index 08b34f12..faedf0cd 100644
--- a/src/kaleidoscope/device/kbdfans/KBD4x.h
+++ b/src/kaleidoscope/device/kbdfans/KBD4x.h
@@ -20,7 +20,6 @@
 #ifdef ARDUINO_AVR_KBD4X
 
 #include <Arduino.h>
-#define HARDWARE_IMPLEMENTATION kaleidoscope::device::kbdfans::KBD4x
 #include "Kaleidoscope-HIDAdaptor-KeyboardioHID.h"
 
 #include "kaleidoscope/macro_helpers.h"
@@ -63,8 +62,10 @@ class KBD4x: public kaleidoscope::device::ATMegaKeyboard {
          R2C0, R2C1, R2C2, R2C3, R2C4, R2C5, R2C6, R2C7, R2C8, R2C9, R2C10, R2C11, \
          R3C0, R3C1, R3C2, R3C3, R3C4, R3C5, R3C5, R3C7, R3C8, R3C9, R3C10, R3C11
 }
-
 }
+
+typedef kaleidoscope::device::kbdfans::KBD4x Device;
+
 }
 
 extern kaleidoscope::device::kbdfans::KBD4x DEPRECATED(NAMED_HARDWARE) &KBD4x;
diff --git a/src/kaleidoscope/device/key_indexes.h b/src/kaleidoscope/device/key_indexes.h
index d13f2d32..b74eeca9 100644
--- a/src/kaleidoscope/device/key_indexes.h
+++ b/src/kaleidoscope/device/key_indexes.h
@@ -25,13 +25,10 @@
  * zero as a sentinel. This is important, because when we initialize arrays with
  * fewer elements than the declared array size, the remaining elements will be
  * zero. We can use this to avoid having to explicitly add a sentinel in
- * user-facing code.
- *
- * We're using a macro instead of a constexpr so that it is evaluated lazily,
- * when `HARDWARE_IMPLEMENTATION` can be properly resolved.
- */
-#define keyIndex(row,col)                                                      \
-  (uint8_t)(KeyAddr(row, col).toInt() + 1)
+ * user-facing code. */
+constexpr uint8_t keyIndex(uint8_t row, uint8_t col) {
+  return KeyAddr(row, col).toInt() + 1;
+}
 
 constexpr uint8_t R0C0 = keyIndex(0, 0);
 constexpr uint8_t R0C1 = keyIndex(0, 1);
diff --git a/src/kaleidoscope/device/keyboardio/Model01.cpp b/src/kaleidoscope/device/keyboardio/Model01.cpp
index 917ec434..a3507d5c 100644
--- a/src/kaleidoscope/device/keyboardio/Model01.cpp
+++ b/src/kaleidoscope/device/keyboardio/Model01.cpp
@@ -86,7 +86,7 @@ void Model01::enableHardwareTestMode() {
   PORTB |= (1 << 0);
 
   // Disable the debouncer on the ATTinys
-  KeyboardHardware.setKeyscanInterval(2);
+  Kaleidoscope.device().setKeyscanInterval(2);
 }
 
 
@@ -335,7 +335,5 @@ uint8_t Model01::previousPressedKeyswitchCount() {
 }
 }
 
-HARDWARE_IMPLEMENTATION KeyboardHardware;
-
 #endif
 #endif
diff --git a/src/kaleidoscope/device/keyboardio/Model01.h b/src/kaleidoscope/device/keyboardio/Model01.h
index d55ed79b..f8e9cbc9 100644
--- a/src/kaleidoscope/device/keyboardio/Model01.h
+++ b/src/kaleidoscope/device/keyboardio/Model01.h
@@ -21,7 +21,6 @@
 
 #include <Arduino.h>
 
-#define HARDWARE_IMPLEMENTATION kaleidoscope::device::keyboardio::Model01
 #include "Kaleidoscope-HIDAdaptor-KeyboardioHID.h"
 #include "KeyboardioScanner.h"
 
@@ -123,6 +122,9 @@ class Model01 : public kaleidoscope::Hardware {
 
 }
 }
+
+typedef kaleidoscope::device::keyboardio::Model01 Device;
+
 }
 
 #define PER_KEY_DATA_STACKED(dflt,                                    \
diff --git a/src/kaleidoscope/device/olkb/Planck.cpp b/src/kaleidoscope/device/olkb/Planck.cpp
index 697643fb..ab9fa631 100644
--- a/src/kaleidoscope/device/olkb/Planck.cpp
+++ b/src/kaleidoscope/device/olkb/Planck.cpp
@@ -31,7 +31,6 @@ constexpr int8_t Planck::led_count;
 }
 }
 
-HARDWARE_IMPLEMENTATION KeyboardHardware;
-kaleidoscope::device::olkb::Planck &Planck = KeyboardHardware;
+kaleidoscope::device::olkb::Planck &Planck = kaleidoscope_internal::device;
 
 #endif
diff --git a/src/kaleidoscope/device/olkb/Planck.h b/src/kaleidoscope/device/olkb/Planck.h
index 6393bf7f..39bac427 100644
--- a/src/kaleidoscope/device/olkb/Planck.h
+++ b/src/kaleidoscope/device/olkb/Planck.h
@@ -20,7 +20,6 @@
 #ifdef ARDUINO_AVR_PLANCK
 
 #include <Arduino.h>
-#define HARDWARE_IMPLEMENTATION kaleidoscope::device::olkb::Planck
 #include "Kaleidoscope-HIDAdaptor-KeyboardioHID.h"
 
 #include "kaleidoscope/macro_helpers.h"
@@ -59,8 +58,10 @@ class Planck: public kaleidoscope::device::ATMegaKeyboard {
          R3C0, R3C1, R3C2, R3C3, R3C4, R3C5, R3C6, R3C7, R3C8, R3C9, R3C10, R3C11
 
 }
-
 }
+
+typedef kaleidoscope::device::olkb::Planck Device;
+
 }
 
 extern kaleidoscope::device::olkb::Planck DEPRECATED(NAMED_HARDWARE) &Planck;
diff --git a/src/kaleidoscope/device/softhruf/Splitography.cpp b/src/kaleidoscope/device/softhruf/Splitography.cpp
index 74adcf17..148b5680 100644
--- a/src/kaleidoscope/device/softhruf/Splitography.cpp
+++ b/src/kaleidoscope/device/softhruf/Splitography.cpp
@@ -38,7 +38,6 @@ constexpr int8_t Splitography::led_count;
 }
 }
 
-HARDWARE_IMPLEMENTATION KeyboardHardware;
-kaleidoscope::device::softhruf::Splitography &Splitography = KeyboardHardware;
+kaleidoscope::device::softhruf::Splitography &Splitography = kaleidoscope_internal::device;
 
 #endif
diff --git a/src/kaleidoscope/device/softhruf/Splitography.h b/src/kaleidoscope/device/softhruf/Splitography.h
index 9c67d080..6441e015 100644
--- a/src/kaleidoscope/device/softhruf/Splitography.h
+++ b/src/kaleidoscope/device/softhruf/Splitography.h
@@ -27,7 +27,6 @@
 #ifdef ARDUINO_AVR_SPLITOGRAPHY
 
 #include <Arduino.h>
-#define HARDWARE_IMPLEMENTATION kaleidoscope::device::softhruf::Splitography
 #include "Kaleidoscope-HIDAdaptor-KeyboardioHID.h"
 
 #include "kaleidoscope/macro_helpers.h"
@@ -86,6 +85,9 @@ class Splitography: public kaleidoscope::device::ATMegaKeyboard {
 
 }
 }
+
+typedef kaleidoscope::device::softhruf::Splitography Device;
+
 }
 
 extern kaleidoscope::device::softhruf::Splitography DEPRECATED(NAMED_HARDWARE) &Splitography;
diff --git a/src/kaleidoscope/device/technomancy/Atreus.cpp b/src/kaleidoscope/device/technomancy/Atreus.cpp
index 41195cfe..971e3d8a 100644
--- a/src/kaleidoscope/device/technomancy/Atreus.cpp
+++ b/src/kaleidoscope/device/technomancy/Atreus.cpp
@@ -76,7 +76,6 @@ void Atreus::resetDevice() {
 }
 }
 
-HARDWARE_IMPLEMENTATION KeyboardHardware;
-kaleidoscope::device::technomancy::Atreus &Atreus = KeyboardHardware;
+kaleidoscope::device::technomancy::Atreus &Atreus = kaleidoscope_internal::device;
 
 #endif
diff --git a/src/kaleidoscope/device/technomancy/Atreus.h b/src/kaleidoscope/device/technomancy/Atreus.h
index 535883b1..e0accf57 100644
--- a/src/kaleidoscope/device/technomancy/Atreus.h
+++ b/src/kaleidoscope/device/technomancy/Atreus.h
@@ -27,7 +27,6 @@
 #ifdef ARDUINO_AVR_ATREUS
 
 #include <Arduino.h>
-#define HARDWARE_IMPLEMENTATION kaleidoscope::device::technomancy::Atreus
 #include "Kaleidoscope-HIDAdaptor-KeyboardioHID.h"
 
 #include "kaleidoscope/macro_helpers.h"
@@ -103,6 +102,9 @@ class Atreus: public kaleidoscope::device::ATMegaKeyboard {
     R3C0, R3C1, R3C2, R3C3, R3C4, R3C6,   R3C7, R3C8, R3C9, R3C10, R3C11
 }
 }
+
+typedef kaleidoscope::device::technomancy::Atreus Device;
+
 }
 
 extern kaleidoscope::device::technomancy::Atreus DEPRECATED(NAMED_HARDWARE) &Atreus;
diff --git a/src/kaleidoscope/device/technomancy/Atreus2.cpp b/src/kaleidoscope/device/technomancy/Atreus2.cpp
index 8198fe86..13ba5daa 100644
--- a/src/kaleidoscope/device/technomancy/Atreus2.cpp
+++ b/src/kaleidoscope/device/technomancy/Atreus2.cpp
@@ -32,7 +32,6 @@ constexpr int8_t Atreus2::led_count;
 }
 }
 
-HARDWARE_IMPLEMENTATION KeyboardHardware;
-kaleidoscope::device::technomancy::Atreus2 &Atreus2 = KeyboardHardware;
+kaleidoscope::device::technomancy::Atreus2 &Atreus2 = kaleidoscope_internal::device;
 
 #endif
diff --git a/src/kaleidoscope/device/technomancy/Atreus2.h b/src/kaleidoscope/device/technomancy/Atreus2.h
index e707a6e3..f94f9e39 100644
--- a/src/kaleidoscope/device/technomancy/Atreus2.h
+++ b/src/kaleidoscope/device/technomancy/Atreus2.h
@@ -21,7 +21,6 @@
 #ifdef ARDUINO_AVR_ATREUS2
 
 #include <Arduino.h>
-#define HARDWARE_IMPLEMENTATION kaleidoscope::device::technomancy::Atreus2
 #include "Kaleidoscope-HIDAdaptor-KeyboardioHID.h"
 
 #include "kaleidoscope/macro_helpers.h"
@@ -80,6 +79,9 @@ class Atreus2: public kaleidoscope::device::ATMegaKeyboard {
   R3C0, R3C1, R3C2, R3C3, R3C4, R3C5, R3C6, R3C7, R3C8, R3C9, R3C10, R3C11
 }
 }
+
+typedef kaleidoscope::device::technomancy::Atreus2 Device;
+
 }
 
 extern kaleidoscope::device::technomancy::Atreus2 DEPRECATED(NAMED_HARDWARE) &Atreus2;
diff --git a/src/kaleidoscope/key_events.cpp b/src/kaleidoscope/key_events.cpp
index 008be924..d57c6bc8 100644
--- a/src/kaleidoscope/key_events.cpp
+++ b/src/kaleidoscope/key_events.cpp
@@ -96,9 +96,9 @@ void handleKeyswitchEvent(Key mappedKey, KeyAddr key_addr, uint8_t keyState) {
      * See layers.cpp for an example that masks keys, and the reason why it does
      * so.
      */
-    if (KeyboardHardware.isKeyMasked(key_addr)) {
+    if (Kaleidoscope.device().isKeyMasked(key_addr)) {
       if (keyToggledOff(keyState)) {
-        KeyboardHardware.unMaskKey(key_addr);
+        Kaleidoscope.device().unMaskKey(key_addr);
       } else {
         return;
       }
diff --git a/src/kaleidoscope/keymaps.h b/src/kaleidoscope/keymaps.h
index 8f502787..638a779e 100644
--- a/src/kaleidoscope/keymaps.h
+++ b/src/kaleidoscope/keymaps.h
@@ -18,7 +18,7 @@
 
 #include "kaleidoscope/key_defs.h"
 
-extern const Key keymaps_linear[][ROWS * COLS];
+extern const Key keymaps_linear[][kaleidoscope_internal::device.matrix_rows * kaleidoscope_internal::device.matrix_columns];
 
 namespace kaleidoscope {
 
@@ -58,7 +58,7 @@ class Keymaps2DInterface {
     };
 
     KeymapRow operator[](uint8_t row) {
-      return KeymapRow(keymap_layer_ + row * COLS);
+      return KeymapRow(keymap_layer_ + row * kaleidoscope_internal::device.matrix_columns);
     }
   };
 
diff --git a/src/kaleidoscope/layers.cpp b/src/kaleidoscope/layers.cpp
index 102ffdce..7cc06ad0 100644
--- a/src/kaleidoscope/layers.cpp
+++ b/src/kaleidoscope/layers.cpp
@@ -33,13 +33,13 @@ __attribute__((weak))
 uint8_t layer_count = 0;
 
 __attribute__((weak))
-extern const Key keymaps_linear[][ROWS * COLS] = {};
+extern const Key keymaps_linear[][kaleidoscope_internal::device.matrix_rows * kaleidoscope_internal::device.matrix_columns] = {};
 
 namespace kaleidoscope {
 uint32_t Layer_::layer_state_;
 uint8_t Layer_::top_active_layer_;
-Key Layer_::live_composite_keymap_[KeyboardHardware.numKeys()];
-uint8_t Layer_::active_layers_[KeyboardHardware.numKeys()];
+Key Layer_::live_composite_keymap_[Kaleidoscope.device().numKeys()];
+uint8_t Layer_::active_layers_[Kaleidoscope.device().numKeys()];
 Key(*Layer_::getKey)(uint8_t layer, KeyAddr key_addr) = Layer.getKeyFromPROGMEM;
 
 void Layer_::handleKeymapKeyswitchEvent(Key keymapEntry, uint8_t keyState) {
@@ -111,7 +111,7 @@ void Layer_::updateLiveCompositeKeymap(KeyAddr key_addr) {
 }
 
 void Layer_::updateActiveLayers(void) {
-  memset(active_layers_, 0, KeyboardHardware.numKeys());
+  memset(active_layers_, 0, Kaleidoscope.device().numKeys());
   for (auto key_addr : KeyAddr::all()) {
     int8_t layer = top_active_layer_;
 
diff --git a/src/kaleidoscope/layers.h b/src/kaleidoscope/layers.h
index 14b25dfb..5a94d7c6 100644
--- a/src/kaleidoscope/layers.h
+++ b/src/kaleidoscope/layers.h
@@ -20,12 +20,13 @@
 #include "kaleidoscope/key_defs.h"
 #include "kaleidoscope/keymaps.h"
 #include KALEIDOSCOPE_HARDWARE_H
+#include "kaleidoscope_internal/device.h"
 
 // Macro for defining the keymap. This should be used in the sketch
 // file (*.ino) to define the keymap[] array that holds the user's
 // layers. It also computes the number of layers in that keymap.
 #define KEYMAPS(layers...)				                                    __NL__ \
-  const Key keymaps_linear[][ROWS*COLS] PROGMEM = { layers };           __NL__ \
+  const Key keymaps_linear[][kaleidoscope_internal::device.matrix_rows * kaleidoscope_internal::device.matrix_columns] PROGMEM = { layers };           __NL__ \
   uint8_t layer_count                                                   __NL__ \
      = sizeof(keymaps_linear) / sizeof(*keymaps_linear);                __NL__ \
                                                                         __NL__ \
@@ -134,8 +135,8 @@ class Layer_ {
  private:
   static uint32_t layer_state_;
   static uint8_t top_active_layer_;
-  static Key live_composite_keymap_[KeyboardHardware.numKeys()];
-  static uint8_t active_layers_[KeyboardHardware.numKeys()];
+  static Key live_composite_keymap_[kaleidoscope_internal::device.numKeys()];
+  static uint8_t active_layers_[kaleidoscope_internal::device.numKeys()];
 
   static void handleKeymapKeyswitchEvent(Key keymapEntry, uint8_t keyState);
   static void updateTopActiveLayer(void);
diff --git a/src/kaleidoscope/plugin/DynamicMacros.cpp b/src/kaleidoscope/plugin/DynamicMacros.cpp
index 565eb763..bf0bdc67 100644
--- a/src/kaleidoscope/plugin/DynamicMacros.cpp
+++ b/src/kaleidoscope/plugin/DynamicMacros.cpp
@@ -49,7 +49,7 @@ static void playKeyCode(Key key, uint8_t keyStates, bool explicit_report) {
 static void readKeyCodeAndPlay(uint16_t pos, uint8_t flags, uint8_t keyStates, bool explicit_report) {
   Key key;
   key.flags = flags;
-  key.keyCode = KeyboardHardware.storage().read(pos++);
+  key.keyCode = Kaleidoscope.storage().read(pos++);
 
   playKeyCode(key, keyStates, explicit_report);
 }
@@ -63,7 +63,7 @@ void DynamicMacros::updateDynamicMacroCache(void) {
   map_[0] = 0;
 
   while (pos < storage_base_ + storage_size_) {
-    macro = KeyboardHardware.storage().read(pos++);
+    macro = Kaleidoscope.storage().read(pos++);
     switch (macro) {
     case MACRO_ACTION_STEP_EXPLICIT_REPORT:
     case MACRO_ACTION_STEP_IMPLICIT_REPORT:
@@ -91,8 +91,8 @@ void DynamicMacros::updateDynamicMacroCache(void) {
       previous_macro_ended = false;
       uint8_t keyCode, flags;
       do {
-        flags = KeyboardHardware.storage().read(pos++);
-        keyCode = KeyboardHardware.storage().read(pos++);
+        flags = Kaleidoscope.storage().read(pos++);
+        keyCode = Kaleidoscope.storage().read(pos++);
       } while (!(flags == 0 && keyCode == 0));
       break;
     }
@@ -101,7 +101,7 @@ void DynamicMacros::updateDynamicMacroCache(void) {
       previous_macro_ended = false;
       uint8_t keyCode, flags;
       do {
-        keyCode = KeyboardHardware.storage().read(pos++);
+        keyCode = Kaleidoscope.storage().read(pos++);
       } while (keyCode != 0);
       break;
     }
@@ -128,7 +128,7 @@ void DynamicMacros::play(uint8_t macro_id) {
   pos = storage_base_ + map_[macro_id];
 
   while (true) {
-    switch (macro = KeyboardHardware.storage().read(pos++)) {
+    switch (macro = Kaleidoscope.storage().read(pos++)) {
     case MACRO_ACTION_STEP_EXPLICIT_REPORT:
       explicit_report = true;
       break;
@@ -140,23 +140,23 @@ void DynamicMacros::play(uint8_t macro_id) {
       kaleidoscope::hid::sendMouseReport();
       break;
     case MACRO_ACTION_STEP_INTERVAL:
-      interval = KeyboardHardware.storage().read(pos++);
+      interval = Kaleidoscope.storage().read(pos++);
       break;
     case MACRO_ACTION_STEP_WAIT: {
-      uint8_t wait = KeyboardHardware.storage().read(pos++);
+      uint8_t wait = Kaleidoscope.storage().read(pos++);
       delay(wait);
       break;
     }
     case MACRO_ACTION_STEP_KEYDOWN:
-      flags = KeyboardHardware.storage().read(pos++);
+      flags = Kaleidoscope.storage().read(pos++);
       readKeyCodeAndPlay(pos++, flags, IS_PRESSED, explicit_report);
       break;
     case MACRO_ACTION_STEP_KEYUP:
-      flags = KeyboardHardware.storage().read(pos++);
+      flags = Kaleidoscope.storage().read(pos++);
       readKeyCodeAndPlay(pos++, flags, WAS_PRESSED, explicit_report);
       break;
     case MACRO_ACTION_STEP_TAP:
-      flags = KeyboardHardware.storage().read(pos++);
+      flags = Kaleidoscope.storage().read(pos++);
       readKeyCodeAndPlay(pos++, flags, IS_PRESSED | WAS_PRESSED, false);
       break;
 
@@ -173,8 +173,8 @@ void DynamicMacros::play(uint8_t macro_id) {
     case MACRO_ACTION_STEP_TAP_SEQUENCE: {
       uint8_t keyCode;
       do {
-        flags = KeyboardHardware.storage().read(pos++);
-        keyCode = KeyboardHardware.storage().read(pos++);
+        flags = Kaleidoscope.storage().read(pos++);
+        keyCode = Kaleidoscope.storage().read(pos++);
         playKeyCode(Key(keyCode, flags), IS_PRESSED | WAS_PRESSED, false);
         delay(interval);
       } while (!(flags == 0 && keyCode == 0));
@@ -183,7 +183,7 @@ void DynamicMacros::play(uint8_t macro_id) {
     case MACRO_ACTION_STEP_TAP_CODE_SEQUENCE: {
       uint8_t keyCode;
       do {
-        keyCode = KeyboardHardware.storage().read(pos++);
+        keyCode = Kaleidoscope.storage().read(pos++);
         playKeyCode(Key(keyCode, 0), IS_PRESSED | WAS_PRESSED, false);
         delay(interval);
       } while (keyCode != 0);
@@ -221,7 +221,7 @@ EventHandlerResult DynamicMacros::onFocusEvent(const char *command) {
     if (::Focus.isEOL()) {
       for (uint16_t i = 0; i < storage_size_; i++) {
         uint8_t b;
-        b = KeyboardHardware.storage().read(storage_base_ + i);
+        b = Kaleidoscope.storage().read(storage_base_ + i);
         ::Focus.send(b);
       }
     } else {
@@ -231,7 +231,7 @@ EventHandlerResult DynamicMacros::onFocusEvent(const char *command) {
         uint8_t b;
         ::Focus.read(b);
 
-        KeyboardHardware.storage().update(storage_base_ + pos++, b);
+        Kaleidoscope.storage().update(storage_base_ + pos++, b);
       }
       updateDynamicMacroCache();
     }
diff --git a/src/kaleidoscope/plugin/EEPROM-Keymap-Programmer.cpp b/src/kaleidoscope/plugin/EEPROM-Keymap-Programmer.cpp
index 0c4874b8..512e8ce9 100644
--- a/src/kaleidoscope/plugin/EEPROM-Keymap-Programmer.cpp
+++ b/src/kaleidoscope/plugin/EEPROM-Keymap-Programmer.cpp
@@ -56,10 +56,10 @@ EventHandlerResult EEPROMKeymapProgrammer::onKeyswitchEvent(Key &mapped_key, Key
 
   if (state_ == WAIT_FOR_KEY) {
     if (keyToggledOn(key_state)) {
-      update_position_ = Layer.top() * KeyboardHardware.numKeys() + key_addr.toInt();
+      update_position_ = Layer.top() * Kaleidoscope.device().numKeys() + key_addr.toInt();
     }
     if (keyToggledOff(key_state)) {
-      if ((uint16_t)(Layer.top() * KeyboardHardware.numKeys() + key_addr.toInt()) == update_position_)
+      if ((uint16_t)(Layer.top() * Kaleidoscope.device().numKeys() + key_addr.toInt()) == update_position_)
         nextState();
     }
     return EventHandlerResult::EVENT_CONSUMED;
diff --git a/src/kaleidoscope/plugin/EEPROM-Keymap.cpp b/src/kaleidoscope/plugin/EEPROM-Keymap.cpp
index f2e26faf..7b56da83 100644
--- a/src/kaleidoscope/plugin/EEPROM-Keymap.cpp
+++ b/src/kaleidoscope/plugin/EEPROM-Keymap.cpp
@@ -44,7 +44,7 @@ void EEPROMKeymap::setup(uint8_t max) {
 
 void EEPROMKeymap::max_layers(uint8_t max) {
   max_layers_ = max;
-  keymap_base_ = ::EEPROMSettings.requestSlice(max_layers_ * KeyboardHardware.numKeys() * 2);
+  keymap_base_ = ::EEPROMSettings.requestSlice(max_layers_ * Kaleidoscope.device().numKeys() * 2);
 }
 
 Key EEPROMKeymap::getKey(uint8_t layer, KeyAddr key_addr) {
@@ -53,10 +53,10 @@ Key EEPROMKeymap::getKey(uint8_t layer, KeyAddr key_addr) {
   if (layer >= max_layers_)
     return Key_NoKey;
 
-  uint16_t pos = ((layer * KeyboardHardware.numKeys()) + key_addr.toInt()) * 2;
+  uint16_t pos = ((layer * Kaleidoscope.device().numKeys()) + key_addr.toInt()) * 2;
 
-  key.flags = KeyboardHardware.storage().read(keymap_base_ + pos);
-  key.keyCode = KeyboardHardware.storage().read(keymap_base_ + pos + 1);
+  key.flags = Kaleidoscope.storage().read(keymap_base_ + pos);
+  key.keyCode = Kaleidoscope.storage().read(keymap_base_ + pos + 1);
 
   return key;
 }
@@ -77,8 +77,8 @@ uint16_t EEPROMKeymap::keymap_base(void) {
 }
 
 void EEPROMKeymap::updateKey(uint16_t base_pos, Key key) {
-  KeyboardHardware.storage().update(keymap_base_ + base_pos * 2, key.flags);
-  KeyboardHardware.storage().update(keymap_base_ + base_pos * 2 + 1, key.keyCode);
+  Kaleidoscope.storage().update(keymap_base_ + base_pos * 2, key.flags);
+  Kaleidoscope.storage().update(keymap_base_ + base_pos * 2 + 1, key.keyCode);
 }
 
 void EEPROMKeymap::dumpKeymap(uint8_t layers, Key(*getkey)(uint8_t, KeyAddr)) {
@@ -150,7 +150,7 @@ EventHandlerResult EEPROMKeymap::onFocusEvent(const char *command) {
   } else {
     uint16_t i = 0;
 
-    while (!::Focus.isEOL() && (i < (uint16_t)KeyboardHardware.numKeys() * max_layers_)) {
+    while (!::Focus.isEOL() && (i < (uint16_t)Kaleidoscope.device().numKeys() * max_layers_)) {
       Key k;
 
       ::Focus.read(k);
diff --git a/src/kaleidoscope/plugin/EEPROM-Settings.cpp b/src/kaleidoscope/plugin/EEPROM-Settings.cpp
index 52a82b1d..f987fb2b 100644
--- a/src/kaleidoscope/plugin/EEPROM-Settings.cpp
+++ b/src/kaleidoscope/plugin/EEPROM-Settings.cpp
@@ -28,7 +28,7 @@ bool EEPROMSettings::sealed_;
 uint16_t EEPROMSettings::next_start_ = sizeof(EEPROMSettings::settings);
 
 EventHandlerResult EEPROMSettings::onSetup() {
-  KeyboardHardware.storage().get(0, settings_);
+  Kaleidoscope.storage().get(0, settings_);
 
   /* If the version is undefined, set up sensible defaults. */
   if (settings_.version == VERSION_UNDEFINED) {
@@ -49,7 +49,7 @@ EventHandlerResult EEPROMSettings::onSetup() {
      * not able to catch all writes yet. For the sake of consistency, if we
      * encounter a firmware with no version defined, we'll set sensible
      * defaults. */
-    KeyboardHardware.storage().put(0, settings_);
+    Kaleidoscope.storage().put(0, settings_);
   }
   return EventHandlerResult::OK;
 }
@@ -146,7 +146,7 @@ uint16_t EEPROMSettings::used(void) {
 }
 
 void EEPROMSettings::update(void) {
-  KeyboardHardware.storage().put(0, settings_);
+  Kaleidoscope.storage().put(0, settings_);
   is_valid_ = true;
 }
 
@@ -220,22 +220,22 @@ EventHandlerResult FocusEEPROMCommand::onFocusEvent(const char *command) {
   switch (sub_command) {
   case CONTENTS: {
     if (::Focus.isEOL()) {
-      for (uint16_t i = 0; i < KeyboardHardware.storage().length(); i++) {
-        uint8_t d = KeyboardHardware.storage().read(i);
+      for (uint16_t i = 0; i < Kaleidoscope.storage().length(); i++) {
+        uint8_t d = Kaleidoscope.storage().read(i);
         ::Focus.send(d);
       }
     } else {
-      for (uint16_t i = 0; i < KeyboardHardware.storage().length() && !::Focus.isEOL(); i++) {
+      for (uint16_t i = 0; i < Kaleidoscope.storage().length() && !::Focus.isEOL(); i++) {
         uint8_t d;
         ::Focus.read(d);
-        KeyboardHardware.storage().update(i, d);
+        Kaleidoscope.storage().update(i, d);
       }
     }
 
     break;
   }
   case FREE:
-    ::Focus.send(KeyboardHardware.storage().length() - ::EEPROMSettings.used());
+    ::Focus.send(Kaleidoscope.storage().length() - ::EEPROMSettings.used());
     break;
   }
 
diff --git a/src/kaleidoscope/plugin/Escape-OneShot.cpp b/src/kaleidoscope/plugin/Escape-OneShot.cpp
index 7f110307..34c1ecf1 100644
--- a/src/kaleidoscope/plugin/Escape-OneShot.cpp
+++ b/src/kaleidoscope/plugin/Escape-OneShot.cpp
@@ -32,7 +32,7 @@ EventHandlerResult EscapeOneShot::onKeyswitchEvent(Key &mapped_key, KeyAddr key_
     return EventHandlerResult::OK;
   }
 
-  KeyboardHardware.maskKey(key_addr);
+  Kaleidoscope.device().maskKey(key_addr);
 
   ::OneShot.cancel(true);
   return EventHandlerResult::EVENT_CONSUMED;
diff --git a/src/kaleidoscope/plugin/FingerPainter.cpp b/src/kaleidoscope/plugin/FingerPainter.cpp
index e720ef58..661a4bc5 100644
--- a/src/kaleidoscope/plugin/FingerPainter.cpp
+++ b/src/kaleidoscope/plugin/FingerPainter.cpp
@@ -58,7 +58,7 @@ EventHandlerResult FingerPainter::onKeyswitchEvent(Key &mapped_key, KeyAddr key_
 
   // TODO: The following works only for keyboards with LEDs for each key.
 
-  uint8_t color_index = ::LEDPaletteTheme.lookupColorIndexAtPosition(color_base_, KeyboardHardware.getLedIndex(key_addr));
+  uint8_t color_index = ::LEDPaletteTheme.lookupColorIndexAtPosition(color_base_, Kaleidoscope.device().getLedIndex(key_addr));
 
   // Find the next color in the palette that is different.
   // But do not loop forever!
@@ -75,7 +75,7 @@ EventHandlerResult FingerPainter::onKeyswitchEvent(Key &mapped_key, KeyAddr key_
     new_color = ::LEDPaletteTheme.lookupPaletteColor(color_index);
   }
 
-  ::LEDPaletteTheme.updateColorIndexAtPosition(color_base_, KeyboardHardware.getLedIndex(key_addr), color_index);
+  ::LEDPaletteTheme.updateColorIndexAtPosition(color_base_, Kaleidoscope.device().getLedIndex(key_addr), color_index);
 
   return EventHandlerResult::EVENT_CONSUMED;
 }
@@ -100,8 +100,8 @@ EventHandlerResult FingerPainter::onFocusEvent(const char *command) {
     return EventHandlerResult::OK;
 
   if (sub_command == CLEAR) {
-    for (uint16_t i = 0; i < KeyboardHardware.numKeys() / 2; i++) {
-      KeyboardHardware.storage().update(color_base_ + i, 0);
+    for (uint16_t i = 0; i < Kaleidoscope.device().numKeys() / 2; i++) {
+      Kaleidoscope.storage().update(color_base_ + i, 0);
     }
     return EventHandlerResult::OK;
   }
diff --git a/src/kaleidoscope/plugin/FocusSerial.cpp b/src/kaleidoscope/plugin/FocusSerial.cpp
index 9b3efd66..7467b658 100644
--- a/src/kaleidoscope/plugin/FocusSerial.cpp
+++ b/src/kaleidoscope/plugin/FocusSerial.cpp
@@ -27,20 +27,20 @@ namespace plugin {
 char FocusSerial::command_[32];
 
 void FocusSerial::drain(void) {
-  if (KeyboardHardware.serialPort().available())
-    while (KeyboardHardware.serialPort().peek() != '\n')
-      KeyboardHardware.serialPort().read();
+  if (Kaleidoscope.serialPort().available())
+    while (Kaleidoscope.serialPort().peek() != '\n')
+      Kaleidoscope.serialPort().read();
 }
 
 EventHandlerResult FocusSerial::beforeReportingState() {
-  if (KeyboardHardware.serialPort().available() == 0)
+  if (Kaleidoscope.serialPort().available() == 0)
     return EventHandlerResult::OK;
 
   uint8_t i = 0;
   do {
-    command_[i++] = KeyboardHardware.serialPort().read();
+    command_[i++] = Kaleidoscope.serialPort().read();
 
-    if (KeyboardHardware.serialPort().peek() == '\n')
+    if (Kaleidoscope.serialPort().peek() == '\n')
       break;
   } while (command_[i - 1] != ' ' && i < 32);
   if (command_[i - 1] == ' ')
@@ -50,12 +50,12 @@ EventHandlerResult FocusSerial::beforeReportingState() {
 
   Kaleidoscope.onFocusEvent(command_);
 
-  KeyboardHardware.serialPort().println(F("\r\n."));
+  Kaleidoscope.serialPort().println(F("\r\n."));
 
   drain();
 
-  if (KeyboardHardware.serialPort().peek() == '\n')
-    KeyboardHardware.serialPort().read();
+  if (Kaleidoscope.serialPort().peek() == '\n')
+    Kaleidoscope.serialPort().read();
 
   return EventHandlerResult::OK;
 }
@@ -65,7 +65,7 @@ bool FocusSerial::handleHelp(const char *command,
   if (strcmp_P(command, PSTR("help")) != 0)
     return false;
 
-  KeyboardHardware.serialPort().println((const __FlashStringHelper *)help_message);
+  Kaleidoscope.serialPort().println((const __FlashStringHelper *)help_message);
   return true;
 }
 
@@ -75,7 +75,7 @@ EventHandlerResult FocusSerial::onFocusEvent(const char *command) {
 }
 
 void FocusSerial::printBool(bool b) {
-  KeyboardHardware.serialPort().print((b) ? F("true") : F("false"));
+  Kaleidoscope.serialPort().print((b) ? F("true") : F("false"));
 }
 
 }
diff --git a/src/kaleidoscope/plugin/FocusSerial.h b/src/kaleidoscope/plugin/FocusSerial.h
index 1aeb6ef9..2c2235e6 100644
--- a/src/kaleidoscope/plugin/FocusSerial.h
+++ b/src/kaleidoscope/plugin/FocusSerial.h
@@ -37,12 +37,12 @@ class FocusSerial : public kaleidoscope::Plugin {
   }
   void send(const bool b) {
     printBool(b);
-    KeyboardHardware.serialPort().print(SEPARATOR);
+    Kaleidoscope.serialPort().print(SEPARATOR);
   }
   template <typename V>
   void send(V v) {
-    KeyboardHardware.serialPort().print(v);
-    KeyboardHardware.serialPort().print(SEPARATOR);
+    Kaleidoscope.serialPort().print(v);
+    Kaleidoscope.serialPort().print(SEPARATOR);
   }
   template <typename Var, typename... Vars>
   void send(Var v, const Vars&... vars) {
@@ -53,31 +53,31 @@ class FocusSerial : public kaleidoscope::Plugin {
   void sendRaw() {}
   template <typename Var, typename... Vars>
   void sendRaw(Var v, const Vars&... vars) {
-    KeyboardHardware.serialPort().print(v);
+    Kaleidoscope.serialPort().print(v);
     sendRaw(vars...);
   }
 
   const char peek() {
-    return KeyboardHardware.serialPort().peek();
+    return Kaleidoscope.serialPort().peek();
   }
 
   void read(Key &key) {
-    key.raw = KeyboardHardware.serialPort().parseInt();
+    key.raw = Kaleidoscope.serialPort().parseInt();
   }
   void read(cRGB &color) {
-    color.r = KeyboardHardware.serialPort().parseInt();
-    color.g = KeyboardHardware.serialPort().parseInt();
-    color.b = KeyboardHardware.serialPort().parseInt();
+    color.r = Kaleidoscope.serialPort().parseInt();
+    color.g = Kaleidoscope.serialPort().parseInt();
+    color.b = Kaleidoscope.serialPort().parseInt();
   }
   void read(uint8_t &u8) {
-    u8 = KeyboardHardware.serialPort().parseInt();
+    u8 = Kaleidoscope.serialPort().parseInt();
   }
   void read(uint16_t &u16) {
-    u16 = KeyboardHardware.serialPort().parseInt();
+    u16 = Kaleidoscope.serialPort().parseInt();
   }
 
   bool isEOL() {
-    return KeyboardHardware.serialPort().peek() == '\n';
+    return Kaleidoscope.serialPort().peek() == '\n';
   }
 
   static constexpr char COMMENT = '#';
diff --git a/src/kaleidoscope/plugin/GeminiPR.cpp b/src/kaleidoscope/plugin/GeminiPR.cpp
index 637db5b6..4225a5bc 100644
--- a/src/kaleidoscope/plugin/GeminiPR.cpp
+++ b/src/kaleidoscope/plugin/GeminiPR.cpp
@@ -39,7 +39,7 @@ EventHandlerResult GeminiPR::onKeyswitchEvent(Key &mapped_key, KeyAddr key_addr,
 
     if (keys_held_ == 0) {
       state_[0] |= 0x80;
-      KeyboardHardware.serialPort().write(state_, sizeof(state_));
+      Kaleidoscope.serialPort().write(state_, sizeof(state_));
       memset(state_, 0, sizeof(state_));
     }
   }
diff --git a/src/kaleidoscope/plugin/HardwareTestMode.cpp b/src/kaleidoscope/plugin/HardwareTestMode.cpp
index 8b7e9f26..9a6fb17e 100644
--- a/src/kaleidoscope/plugin/HardwareTestMode.cpp
+++ b/src/kaleidoscope/plugin/HardwareTestMode.cpp
@@ -32,9 +32,9 @@ void HardwareTestMode::setActionKey(uint8_t key) {
 
 void HardwareTestMode::waitForKeypress() {
   while (1) {
-    KeyboardHardware.readMatrix();
-    if (KeyboardHardware.isKeyswitchPressed(actionKey) &&
-        ! KeyboardHardware.wasKeyswitchPressed(actionKey)) {
+    Kaleidoscope.device().readMatrix();
+    if (Kaleidoscope.device().isKeyswitchPressed(actionKey) &&
+        ! Kaleidoscope.device().wasKeyswitchPressed(actionKey)) {
       break;
     }
   }
@@ -76,7 +76,7 @@ void HardwareTestMode::testLeds(void) {
 
 void HardwareTestMode::testMatrix() {
   // Reset bad keys from previous tests.
-  chatter_data state[KeyboardHardware.numKeys()] = {0, 0, 0};
+  chatter_data state[Kaleidoscope.device().numKeys()] = {0, 0, 0};
 
   constexpr cRGB red = CRGB(201, 0, 0);
   constexpr cRGB blue = CRGB(0, 0, 201);
@@ -84,12 +84,12 @@ void HardwareTestMode::testMatrix() {
   constexpr cRGB yellow = CRGB(201, 100, 0);
 
   while (1) {
-    KeyboardHardware.readMatrix();
+    Kaleidoscope.device().readMatrix();
     for (auto key_addr : KeyAddr::all()) {
       uint8_t keynum = key_addr.toInt();
 
       // If the key is toggled on
-      if (KeyboardHardware.isKeyswitchPressed(key_addr) && ! KeyboardHardware.wasKeyswitchPressed(key_addr)) {
+      if (Kaleidoscope.device().isKeyswitchPressed(key_addr) && ! Kaleidoscope.device().wasKeyswitchPressed(key_addr)) {
         // And it's too soon (in terms of cycles between changes)
         state[keynum].tested = 1;
         if (state[keynum].cyclesSinceStateChange < CHATTER_CYCLE_LIMIT) {
@@ -100,19 +100,19 @@ void HardwareTestMode::testMatrix() {
         state[keynum].cyclesSinceStateChange++;
       }
       // If the key is held down
-      if (KeyboardHardware.isKeyswitchPressed(key_addr) && KeyboardHardware.wasKeyswitchPressed(key_addr)) {
-        KeyboardHardware.setCrgbAt(key_addr, green);
+      if (Kaleidoscope.device().isKeyswitchPressed(key_addr) && Kaleidoscope.device().wasKeyswitchPressed(key_addr)) {
+        Kaleidoscope.device().setCrgbAt(key_addr, green);
       }
 
       // If we triggered chatter detection ever on this key
       else if (state[keynum].bad == 1) {
-        KeyboardHardware.setCrgbAt(key_addr, red);
+        Kaleidoscope.device().setCrgbAt(key_addr, red);
       } else if (state[keynum].tested == 0) {
-        KeyboardHardware.setCrgbAt(key_addr, yellow);
+        Kaleidoscope.device().setCrgbAt(key_addr, yellow);
       }
       // If the key is not currently pressed and was not just released and is not marked bad
-      else if (! KeyboardHardware.isKeyswitchPressed(key_addr)) {
-        KeyboardHardware.setCrgbAt(key_addr, blue);
+      else if (! Kaleidoscope.device().isKeyswitchPressed(key_addr)) {
+        Kaleidoscope.device().setCrgbAt(key_addr, blue);
       }
     }
     ::LEDControl.syncLeds();
@@ -124,7 +124,7 @@ void HardwareTestMode::runTests() {
   // out and send a new report
   kaleidoscope::hid::releaseAllKeys();
   kaleidoscope::hid::sendKeyboardReport();
-  KeyboardHardware.enableHardwareTestMode();
+  Kaleidoscope.device().enableHardwareTestMode();
   testLeds();
   testMatrix();
 }
diff --git a/src/kaleidoscope/plugin/Heatmap.h b/src/kaleidoscope/plugin/Heatmap.h
index efba28ac..99736e1b 100644
--- a/src/kaleidoscope/plugin/Heatmap.h
+++ b/src/kaleidoscope/plugin/Heatmap.h
@@ -59,7 +59,7 @@ class Heatmap : public Plugin,
 
     const Heatmap *parent_;
 
-    uint16_t heatmap_[KeyboardHardware.numKeys()];
+    uint16_t heatmap_[Kaleidoscope.device().numKeys()];
     uint16_t highest_;
     uint16_t last_heatmap_comp_time_;
 
diff --git a/src/kaleidoscope/plugin/HostOS.cpp b/src/kaleidoscope/plugin/HostOS.cpp
index 4e8f75c1..cb1a1e9b 100644
--- a/src/kaleidoscope/plugin/HostOS.cpp
+++ b/src/kaleidoscope/plugin/HostOS.cpp
@@ -33,14 +33,14 @@ EventHandlerResult HostOS::onSetup(void) {
     return EventHandlerResult::OK;
   }
 
-  os_ = (hostos::Type)KeyboardHardware.storage().read(eeprom_slice_);
+  os_ = (hostos::Type)Kaleidoscope.storage().read(eeprom_slice_);
 
   return EventHandlerResult::OK;
 }
 
 void HostOS::os(hostos::Type new_os) {
   os_ = new_os;
-  KeyboardHardware.storage().update(eeprom_slice_, os_);
+  Kaleidoscope.storage().update(eeprom_slice_, os_);
 }
 
 }
diff --git a/src/kaleidoscope/plugin/LED-AlphaSquare/Effect.cpp b/src/kaleidoscope/plugin/LED-AlphaSquare/Effect.cpp
index e17a9f99..d54e32d3 100644
--- a/src/kaleidoscope/plugin/LED-AlphaSquare/Effect.cpp
+++ b/src/kaleidoscope/plugin/LED-AlphaSquare/Effect.cpp
@@ -48,7 +48,7 @@ void AlphaSquareEffect::TransientLEDMode::refreshAt(KeyAddr key_addr) {
   uint8_t display_col = 2;
   Key key = last_key_left_;
 
-  if (key_addr.col() < COLS / 2) {
+  if (key_addr.col() < Kaleidoscope.device().matrix_columns / 2) {
     timed_out = Kaleidoscope.hasTimeExpired(start_time_left_, length);
   } else {
     key = last_key_right_;
@@ -81,7 +81,7 @@ EventHandlerResult AlphaSquareEffect::onKeyswitchEvent(Key &mappedKey, KeyAddr k
 
   Key prev_key = this_led_mode->last_key_left_;
 
-  if (key_addr.col() < COLS / 2) {
+  if (key_addr.col() < Kaleidoscope.device().matrix_columns / 2) {
     this_led_mode->last_key_left_ = mappedKey;
     this_led_mode->start_time_left_ = Kaleidoscope.millisAtCycleStart();
   } else {
diff --git a/src/kaleidoscope/plugin/LED-Palette-Theme.cpp b/src/kaleidoscope/plugin/LED-Palette-Theme.cpp
index 70804e79..3d780a2c 100644
--- a/src/kaleidoscope/plugin/LED-Palette-Theme.cpp
+++ b/src/kaleidoscope/plugin/LED-Palette-Theme.cpp
@@ -28,16 +28,16 @@ uint16_t LEDPaletteTheme::reserveThemes(uint8_t max_themes) {
   if (!palette_base_)
     palette_base_ = ::EEPROMSettings.requestSlice(16 * sizeof(cRGB));
 
-  return ::EEPROMSettings.requestSlice(max_themes * KeyboardHardware.led_count / 2);
+  return ::EEPROMSettings.requestSlice(max_themes * Kaleidoscope.device().led_count / 2);
 }
 
 void LEDPaletteTheme::updateHandler(uint16_t theme_base, uint8_t theme) {
   if (!Kaleidoscope.has_leds)
     return;
 
-  uint16_t map_base = theme_base + (theme * KeyboardHardware.led_count / 2);
+  uint16_t map_base = theme_base + (theme * Kaleidoscope.device().led_count / 2);
 
-  for (uint8_t pos = 0; pos < KeyboardHardware.led_count; pos++) {
+  for (uint8_t pos = 0; pos < Kaleidoscope.device().led_count; pos++) {
     cRGB color = lookupColorAtPosition(map_base, pos);
     ::LEDControl.setCrgbAt(pos, color);
   }
@@ -47,8 +47,8 @@ void LEDPaletteTheme::refreshAt(uint16_t theme_base, uint8_t theme, KeyAddr key_
   if (!Kaleidoscope.has_leds)
     return;
 
-  uint16_t map_base = theme_base + (theme * KeyboardHardware.led_count / 2);
-  uint8_t pos = KeyboardHardware.getLedIndex(key_addr);
+  uint16_t map_base = theme_base + (theme * Kaleidoscope.device().led_count / 2);
+  uint8_t pos = Kaleidoscope.device().getLedIndex(key_addr);
 
   cRGB color = lookupColorAtPosition(map_base, pos);
   ::LEDControl.setCrgbAt(key_addr, color);
@@ -58,7 +58,7 @@ void LEDPaletteTheme::refreshAt(uint16_t theme_base, uint8_t theme, KeyAddr key_
 const uint8_t LEDPaletteTheme::lookupColorIndexAtPosition(uint16_t map_base, uint16_t position) {
   uint8_t color_index;
 
-  color_index = KeyboardHardware.storage().read(map_base + position / 2);
+  color_index = Kaleidoscope.storage().read(map_base + position / 2);
   if (position % 2)
     color_index &= ~0xf0;
   else
@@ -76,7 +76,7 @@ const cRGB LEDPaletteTheme::lookupColorAtPosition(uint16_t map_base, uint16_t po
 const cRGB LEDPaletteTheme::lookupPaletteColor(uint8_t color_index) {
   cRGB color;
 
-  KeyboardHardware.storage().get(palette_base_ + color_index * sizeof(cRGB), color);
+  Kaleidoscope.storage().get(palette_base_ + color_index * sizeof(cRGB), color);
   color.r ^= 0xff;
   color.g ^= 0xff;
   color.b ^= 0xff;
@@ -87,7 +87,7 @@ const cRGB LEDPaletteTheme::lookupPaletteColor(uint8_t color_index) {
 void LEDPaletteTheme::updateColorIndexAtPosition(uint16_t map_base, uint16_t position, uint8_t color_index) {
   uint8_t indexes;
 
-  indexes = KeyboardHardware.storage().read(map_base + position / 2);
+  indexes = Kaleidoscope.storage().read(map_base + position / 2);
   if (position % 2) {
     uint8_t other = indexes >> 4;
     indexes = (other << 4) + color_index;
@@ -95,7 +95,7 @@ void LEDPaletteTheme::updateColorIndexAtPosition(uint16_t map_base, uint16_t pos
     uint8_t other = indexes & ~0xf0;
     indexes = (color_index << 4) + other;
   }
-  KeyboardHardware.storage().update(map_base + position / 2, indexes);
+  Kaleidoscope.storage().update(map_base + position / 2, indexes);
 }
 
 EventHandlerResult LEDPaletteTheme::onFocusEvent(const char *command) {
@@ -129,7 +129,7 @@ EventHandlerResult LEDPaletteTheme::onFocusEvent(const char *command) {
     color.g ^= 0xff;
     color.b ^= 0xff;
 
-    KeyboardHardware.storage().put(palette_base_ + i * sizeof(color), color);
+    Kaleidoscope.storage().put(palette_base_ + i * sizeof(color), color);
     i++;
   }
 
@@ -151,11 +151,11 @@ EventHandlerResult LEDPaletteTheme::themeFocusEvent(const char *command,
   if (strcmp_P(command, expected_command) != 0)
     return EventHandlerResult::OK;
 
-  uint16_t max_index = (max_themes * KeyboardHardware.led_count) / 2;
+  uint16_t max_index = (max_themes * Kaleidoscope.device().led_count) / 2;
 
   if (::Focus.isEOL()) {
     for (uint16_t pos = 0; pos < max_index; pos++) {
-      uint8_t indexes = KeyboardHardware.storage().read(theme_base + pos);
+      uint8_t indexes = Kaleidoscope.storage().read(theme_base + pos);
 
       ::Focus.send((uint8_t)(indexes >> 4), indexes & ~0xf0);
     }
@@ -171,7 +171,7 @@ EventHandlerResult LEDPaletteTheme::themeFocusEvent(const char *command,
 
     uint8_t indexes = (idx1 << 4) + idx2;
 
-    KeyboardHardware.storage().update(theme_base + pos, indexes);
+    Kaleidoscope.storage().update(theme_base + pos, indexes);
     pos++;
   }
 
diff --git a/src/kaleidoscope/plugin/LED-Stalker.h b/src/kaleidoscope/plugin/LED-Stalker.h
index 47ad0263..66da6bbd 100644
--- a/src/kaleidoscope/plugin/LED-Stalker.h
+++ b/src/kaleidoscope/plugin/LED-Stalker.h
@@ -61,7 +61,7 @@ class StalkerEffect : public Plugin,
     const StalkerEffect *parent_;
 
     uint16_t step_start_time_;
-    uint8_t map_[KeyboardHardware.numKeys()];
+    uint8_t map_[Kaleidoscope.device().numKeys()];
 
     friend class StalkerEffect;
   };
diff --git a/src/kaleidoscope/plugin/LED-Wavepool.cpp b/src/kaleidoscope/plugin/LED-Wavepool.cpp
index 1c24fe49..c97a6026 100644
--- a/src/kaleidoscope/plugin/LED-Wavepool.cpp
+++ b/src/kaleidoscope/plugin/LED-Wavepool.cpp
@@ -31,7 +31,7 @@ uint16_t WavepoolEffect::idle_timeout = 5000;  // 5 seconds
 int16_t WavepoolEffect::ripple_hue = WavepoolEffect::rainbow_hue; // automatic hue
 
 // map native keyboard coordinates (16x4) into geometric space (14x5)
-PROGMEM const uint8_t WavepoolEffect::TransientLEDMode::rc2pos[KeyboardHardware.numKeys()] = {
+PROGMEM const uint8_t WavepoolEffect::TransientLEDMode::rc2pos[Kaleidoscope.device().numKeys()] = {
   0,  1,  2,  3,  4,  5,  6,     59, 66,    7,  8,  9, 10, 11, 12, 13,
   14, 15, 16, 17, 18, 19, 34,    60, 65,   35, 22, 23, 24, 25, 26, 27,
   28, 29, 30, 31, 32, 33, 48,    61, 64,   49, 36, 37, 38, 39, 40, 41,
diff --git a/src/kaleidoscope/plugin/LED-Wavepool.h b/src/kaleidoscope/plugin/LED-Wavepool.h
index c715e048..77cae328 100644
--- a/src/kaleidoscope/plugin/LED-Wavepool.h
+++ b/src/kaleidoscope/plugin/LED-Wavepool.h
@@ -66,7 +66,7 @@ class WavepoolEffect : public Plugin,
     uint8_t frames_since_event_;
     int8_t surface_[2][WP_WID * WP_HGT];
     uint8_t page_;
-    static PROGMEM const uint8_t rc2pos[KeyboardHardware.numKeys()];
+    static PROGMEM const uint8_t rc2pos[Kaleidoscope.device().numKeys()];
 
     void raindrop(uint8_t x, uint8_t y, int8_t *page);
     uint8_t wp_rand();
diff --git a/src/kaleidoscope/plugin/LEDControl.cpp b/src/kaleidoscope/plugin/LEDControl.cpp
index 4cf49bf3..52788754 100644
--- a/src/kaleidoscope/plugin/LEDControl.cpp
+++ b/src/kaleidoscope/plugin/LEDControl.cpp
@@ -96,31 +96,31 @@ void LEDControl::set_all_leds_to(uint8_t r, uint8_t g, uint8_t b) {
 }
 
 void LEDControl::set_all_leds_to(cRGB color) {
-  for (int8_t i = 0; i < LED_COUNT; i++) {
+  for (int8_t i = 0; i < Kaleidoscope.device().led_count; i++) {
     setCrgbAt(i, color);
   }
 }
 
 void LEDControl::setCrgbAt(int8_t led_index, cRGB crgb) {
-  KeyboardHardware.setCrgbAt(led_index, crgb);
+  Kaleidoscope.device().setCrgbAt(led_index, crgb);
 }
 
 void LEDControl::setCrgbAt(KeyAddr key_addr, cRGB color) {
-  KeyboardHardware.setCrgbAt(key_addr, color);
+  Kaleidoscope.device().setCrgbAt(key_addr, color);
 }
 
 cRGB LEDControl::getCrgbAt(int8_t led_index) {
-  return KeyboardHardware.getCrgbAt(led_index);
+  return Kaleidoscope.device().getCrgbAt(led_index);
 }
 cRGB LEDControl::getCrgbAt(KeyAddr key_addr) {
-  return KeyboardHardware.getCrgbAt(KeyboardHardware.getLedIndex(key_addr));
+  return Kaleidoscope.device().getCrgbAt(Kaleidoscope.device().getLedIndex(key_addr));
 }
 
 void LEDControl::syncLeds(void) {
   if (paused)
     return;
 
-  KeyboardHardware.syncLeds();
+  Kaleidoscope.device().syncLeds();
 }
 
 kaleidoscope::EventHandlerResult LEDControl::onSetup() {
diff --git a/src/kaleidoscope/plugin/LEDEffect-Chase.cpp b/src/kaleidoscope/plugin/LEDEffect-Chase.cpp
index 66ccfe82..15afceab 100644
--- a/src/kaleidoscope/plugin/LEDEffect-Chase.cpp
+++ b/src/kaleidoscope/plugin/LEDEffect-Chase.cpp
@@ -33,12 +33,12 @@ void LEDChaseEffect::TransientLEDMode::update(void) {
   int8_t pos2 = pos_ - (direction_ * parent_->distance_);
 
   // First, we turn off the LEDs that were turned on in the previous update.
-  // `pos_` is always in the valid range (0 <= pos_ < LED_COUNT), but after it
+  // `pos_` is always in the valid range (0 <= pos_ < Kaleidoscope.device().led_count), but after it
   // changes direction, for the first few updates, `pos2` will be out of bounds.
   // Since it's an unsigned integer, even when it would have a value below zero,
   // it underflows and so one test is good for both ends of the range.
   ::LEDControl.setCrgbAt(pos_, CRGB(0, 0, 0));
-  if (pos2 < LED_COUNT)
+  if (pos2 < Kaleidoscope.device().led_count)
     ::LEDControl.setCrgbAt(pos2, CRGB(0, 0, 0));
 
   // Next, we adjust the red light's position. If the direction hasn't changed (the red
@@ -46,20 +46,20 @@ void LEDChaseEffect::TransientLEDMode::update(void) {
   // one. If the new position puts it out of bounds, we reverse the direction, and bring
   // it back in bounds. When this happens, the blue light "jumps" behind the red one, and
   // will be out of bounds. The simplest way to do this is to assign it a value that is
-  // known to be invalid (LED_COUNT).
+  // known to be invalid (Kaleidoscope.device().led_count).
   pos_ += direction_;
-  if (pos_ < LED_COUNT && pos_ > 0) {
+  if (pos_ < Kaleidoscope.device().led_count && pos_ > 0) {
     pos2 += direction_;
   } else {
     direction_ = -direction_;
     pos_ += direction_;
-    pos2 = LED_COUNT;
+    pos2 = Kaleidoscope.device().led_count;
   }
 
   // Last, we turn on the LEDs at their new positions. As before, the blue light (pos2) is
   // only set if it's in the valid LED range.
   ::LEDControl.setCrgbAt(pos_, CRGB(255, 0, 0));
-  if (pos2 < LED_COUNT)
+  if (pos2 < Kaleidoscope.device().led_count)
     ::LEDControl.setCrgbAt(pos2, CRGB(0, 0, 255));
 }
 
diff --git a/src/kaleidoscope/plugin/MagicCombo.cpp b/src/kaleidoscope/plugin/MagicCombo.cpp
index 44dbf8d0..934bee1c 100644
--- a/src/kaleidoscope/plugin/MagicCombo.cpp
+++ b/src/kaleidoscope/plugin/MagicCombo.cpp
@@ -34,12 +34,12 @@ EventHandlerResult MagicCombo::beforeReportingState() {
       if (comboKey == 0)
         break;
 
-      match &= KeyboardHardware.isKeyswitchPressed(comboKey);
+      match &= Kaleidoscope.device().isKeyswitchPressed(comboKey);
       if (!match)
         break;
     }
 
-    if (j != KeyboardHardware.pressedKeyswitchCount())
+    if (j != Kaleidoscope.device().pressedKeyswitchCount())
       match = false;
 
     if (match && Kaleidoscope.hasTimeExpired(start_time_, min_interval)) {
diff --git a/src/kaleidoscope/plugin/Model01-TestMode.cpp b/src/kaleidoscope/plugin/Model01-TestMode.cpp
index 46dc1387..9ab1fc21 100644
--- a/src/kaleidoscope/plugin/Model01-TestMode.cpp
+++ b/src/kaleidoscope/plugin/Model01-TestMode.cpp
@@ -33,10 +33,10 @@ constexpr uint8_t HELD = 3;
 constexpr uint8_t RELEASED = 0;
 
 EventHandlerResult TestMode::beforeReportingState() {
-  if (KeyboardHardware.isKeyswitchPressed(R0C0) &&
-      KeyboardHardware.isKeyswitchPressed(R0C6) &&
-      KeyboardHardware.isKeyswitchPressed(R3C6) &&
-      KeyboardHardware.pressedKeyswitchCount() == 3) {
+  if (Kaleidoscope.device().isKeyswitchPressed(R0C0) &&
+      Kaleidoscope.device().isKeyswitchPressed(R0C6) &&
+      Kaleidoscope.device().isKeyswitchPressed(R3C6) &&
+      Kaleidoscope.device().pressedKeyswitchCount() == 3) {
     run_tests();
   }
   return EventHandlerResult::OK;
@@ -44,13 +44,13 @@ EventHandlerResult TestMode::beforeReportingState() {
 
 void TestMode::waitForKeypress() {
   for (uint8_t temp = 0; temp < 8; temp++) {
-    KeyboardHardware.readMatrix();
+    Kaleidoscope.device().readMatrix();
   }
   while (1) {
-    KeyboardHardware.readMatrix();
-    if (KeyboardHardware.isKeyswitchPressed(R3C6)
-        && KeyboardHardware.pressedKeyswitchCount() == 1
-        && KeyboardHardware.previousLeftHandState.all == 0) {
+    Kaleidoscope.device().readMatrix();
+    if (Kaleidoscope.device().isKeyswitchPressed(R3C6)
+        && Kaleidoscope.device().pressedKeyswitchCount() == 1
+        && Kaleidoscope.device().previousLeftHandState.all == 0) {
       break;
     }
   }
@@ -117,13 +117,13 @@ void TestMode::handleKeyEvent(side_data_t *side, keydata_t *oldState, keydata_t
 
   // If the key is held down
   if (keyState == HELD) {
-    KeyboardHardware.setCrgbAt(key_addr_col_shifted, green);
+    Kaleidoscope.device().setCrgbAt(key_addr_col_shifted, green);
   } else if (bitRead(side->badKeys, key_addr_col_shifted.toInt()) == 1) {
     // If we triggered chatter detection ever on this key
-    KeyboardHardware.setCrgbAt(key_addr_col_shifted, red);
+    Kaleidoscope.device().setCrgbAt(key_addr_col_shifted, red);
   } else if (keyState == TOGGLED_OFF) {
     // If the key was just released
-    KeyboardHardware.setCrgbAt(key_addr_col_shifted, blue);
+    Kaleidoscope.device().setCrgbAt(key_addr_col_shifted, blue);
   }
 }
 
@@ -138,16 +138,16 @@ void TestMode::testMatrix() {
   // Clear out the key event buffer so we don't get messed up information from
   // taps during LED test mode.
   while (1) {
-    KeyboardHardware.readMatrix();
-    if (KeyboardHardware.isKeyswitchPressed(R0C0) &&
-        KeyboardHardware.isKeyswitchPressed(R0C6) &&
-        KeyboardHardware.isKeyswitchPressed(R3C6) &&
-        KeyboardHardware.pressedKeyswitchCount() == 3) {
+    Kaleidoscope.device().readMatrix();
+    if (Kaleidoscope.device().isKeyswitchPressed(R0C0) &&
+        Kaleidoscope.device().isKeyswitchPressed(R0C6) &&
+        Kaleidoscope.device().isKeyswitchPressed(R3C6) &&
+        Kaleidoscope.device().pressedKeyswitchCount() == 3) {
       break;
     }
     for (auto key_addr : KeyAddr::all()) {
-      handleKeyEvent(&left, &(KeyboardHardware.previousLeftHandState), &(KeyboardHardware.leftHandState), key_addr, 7);
-      handleKeyEvent(&right, &(KeyboardHardware.previousRightHandState), &(KeyboardHardware.rightHandState), key_addr, 15);
+      handleKeyEvent(&left, &(Kaleidoscope.device().previousLeftHandState), &(Kaleidoscope.device().leftHandState), key_addr, 7);
+      handleKeyEvent(&right, &(Kaleidoscope.device().previousRightHandState), &(Kaleidoscope.device().rightHandState), key_addr, 15);
     }
     ::LEDControl.syncLeds();
   }
@@ -159,13 +159,13 @@ void TestMode::toggle_programming_leds_on() {
 }
 
 void TestMode::run_tests() {
-  //  KeyboardHardware.serialPort().println("Running tests");
+  //  Kaleidoscope.device().serialPort().println("Running tests");
   toggle_programming_leds_on();
   // Disable debouncing
-  KeyboardHardware.setKeyscanInterval(2);
+  Kaleidoscope.device().setKeyscanInterval(2);
   test_leds();
   testMatrix();
-  //  KeyboardHardware.serialPort().println("Done running tests");
+  //  Kaleidoscope.device().serialPort().println("Done running tests");
 }
 
 }
diff --git a/src/kaleidoscope/plugin/TapDance.cpp b/src/kaleidoscope/plugin/TapDance.cpp
index 30e7acbe..ad5c2c4e 100644
--- a/src/kaleidoscope/plugin/TapDance.cpp
+++ b/src/kaleidoscope/plugin/TapDance.cpp
@@ -38,7 +38,7 @@ void TapDance::interrupt(KeyAddr key_addr) {
 
   last_tap_dance_key_ = Key_NoKey;
 
-  KeyboardHardware.maskKey(key_addr);
+  Kaleidoscope.device().maskKey(key_addr);
   kaleidoscope::hid::sendKeyboardReport();
   kaleidoscope::hid::releaseAllKeys();
 
@@ -118,8 +118,8 @@ EventHandlerResult TapDance::onKeyswitchEvent(Key &mapped_key, KeyAddr key_addr,
     if (keyToggledOn(keyState))
       interrupt(key_addr);
 
-    if (KeyboardHardware.isKeyMasked(key_addr)) {
-      KeyboardHardware.unMaskKey(key_addr);
+    if (Kaleidoscope.device().isKeyMasked(key_addr)) {
+      Kaleidoscope.device().unMaskKey(key_addr);
       return EventHandlerResult::EVENT_CONSUMED;
     }
     return EventHandlerResult::OK;
diff --git a/src/kaleidoscope/plugin/TypingBreaks.cpp b/src/kaleidoscope/plugin/TypingBreaks.cpp
index e3692bdf..3aef63a3 100644
--- a/src/kaleidoscope/plugin/TypingBreaks.cpp
+++ b/src/kaleidoscope/plugin/TypingBreaks.cpp
@@ -91,7 +91,7 @@ EventHandlerResult TypingBreaks::onKeyswitchEvent(Key &mapped_key, KeyAddr key_a
   // counters if need be.
 
   if (keyToggledOn(key_state)) {
-    if (key_addr.col() <= COLS / 2)
+    if (key_addr.col() <= Kaleidoscope.device().matrix_columns / 2)
       left_hand_keys_++;
     else
       right_hand_keys_++;
@@ -107,12 +107,12 @@ EventHandlerResult TypingBreaks::onSetup() {
   // If idleTime is max, assume that EEPROM is uninitialized, and store the
   // defaults.
   uint32_t idle_time;
-  KeyboardHardware.storage().get(settings_base_, idle_time);
+  Kaleidoscope.storage().get(settings_base_, idle_time);
   if (idle_time == 0xffffffff) {
-    KeyboardHardware.storage().put(settings_base_, settings);
+    Kaleidoscope.storage().put(settings_base_, settings);
   }
 
-  KeyboardHardware.storage().get(settings_base_, settings);
+  Kaleidoscope.storage().get(settings_base_, settings);
   return EventHandlerResult::OK;
 }
 
@@ -192,7 +192,7 @@ EventHandlerResult TypingBreaks::onFocusEvent(const char *command) {
     break;
   }
 
-  KeyboardHardware.storage().put(settings_base_, settings);
+  Kaleidoscope.storage().put(settings_base_, settings);
   return EventHandlerResult::EVENT_CONSUMED;
 }
 
diff --git a/src/kaleidoscope_internal/device.cpp b/src/kaleidoscope_internal/device.cpp
new file mode 100644
index 00000000..c86de8c1
--- /dev/null
+++ b/src/kaleidoscope_internal/device.cpp
@@ -0,0 +1,21 @@
+/* kaleidoscope_internal::device - Global device object for internal use
+ * Copyright (C) 2019  Keyboard.io, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <Kaleidoscope.h>
+
+namespace kaleidoscope_internal {
+kaleidoscope::Device device;
+}
diff --git a/src/kaleidoscope_internal/device.h b/src/kaleidoscope_internal/device.h
new file mode 100644
index 00000000..7ed95819
--- /dev/null
+++ b/src/kaleidoscope_internal/device.h
@@ -0,0 +1,21 @@
+/* kaleidoscope_internal::device - Global device object for internal use
+ * Copyright (C) 2019  Keyboard.io, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+namespace kaleidoscope_internal {
+extern kaleidoscope::Device device;
+}