diff --git a/.github/workflows/compile-sketch.yml b/.github/workflows/compile-sketch.yml
new file mode 100644
index 0000000..24d99c4
--- /dev/null
+++ b/.github/workflows/compile-sketch.yml
@@ -0,0 +1,127 @@
+name: Cross-compilation
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+
+jobs:
+  compile-sketch:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+
+      matrix:
+        board:
+          # Uno
+          # https://github.com/arduino/ArduinoCore-avr/blob/master/boards.txt
+          - fqbn: arduino:avr:mega
+        #     platforms: |
+            name: arduino:avr
+            source-url: https://downloads.arduino.cc/packages/package_index.json
+
+          # ESP32
+          # https://github.com/espressif/arduino-esp32/blob/master/boards.txt
+          - fqbn: esp32:esp32:esp32
+          #  platforms: |
+            name: esp32:esp32
+            source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+
+          # ESP32-S2
+          # https://github.com/espressif/arduino-esp32/blob/master/boards.txt
+          - fqbn: esp32:esp32:esp32s2
+        #     platforms: |
+            name: esp32:esp32
+            source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+
+          # ESP32-C3
+          # https://github.com/espressif/arduino-esp32/blob/master/boards.txt
+          - fqbn: esp32:esp32:esp32c3
+        #     platforms: |
+            name: esp32:esp32
+            source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+
+          # Artemis / Apollo3
+          # https://github.com/sparkfun/Arduino_Apollo3/blob/main/boards.txt
+          - fqbn: SparkFun:apollo3:sfe_artemis_atp
+        #     platforms: |
+            name: SparkFun:apollo3
+            source-url: https://raw.githubusercontent.com/sparkfun/Arduino_Apollo3/master/package_sparkfun_apollo3_index.json
+
+          # ESP8266
+          # https://github.com/esp8266/Arduino/blob/master/boards.txt
+          - fqbn: esp8266:esp8266:thingdev
+        #     platforms: |
+            name: esp8266:esp8266
+            source-url: https://arduino.esp8266.com/stable/package_esp8266com_index.json
+
+          # SAMD21
+          # https://github.com/arduino/ArduinoCore-samd/blob/master/boards.txt
+          - fqbn: arduino:samd:mkr1000
+        #     platforms: |
+            name: arduino:samd
+            source-url: https://downloads.arduino.cc/packages/package_index.json
+
+          # Nano BLE 33 / nRF52840
+          # https://github.com/arduino/ArduinoCore-mbed/blob/master/boards.txt
+          - fqbn: arduino:mbed:nano33ble
+        #     platforms: |
+            name: arduino:mbed
+            source-url: https://downloads.arduino.cc/packages/package_index.json
+
+          # RP2040
+          # https://github.com/arduino/ArduinoCore-mbed/blob/master/boards.txt
+          - fqbn: rp2040:rp2040:sparkfun_promicrorp2040
+        #     platforms: |
+            name: rp2040:rp2040
+            source-url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+
+            # RP2350
+          # https://github.com/arduino/ArduinoCore-mbed/blob/master/boards.txt
+          - fqbn: rp2040:rp2040:sparkfun_promicrorp2350
+          #     platforms: |
+            name: rp2040:rp2040
+            source-url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+
+          # STM32
+          # https://github.com/arduino/ArduinoCore-mbed/blob/master/boards.txt
+          - fqbn: STMicroelectronics:stm32:GenF4
+        #     platforms: |
+            name: STMicroelectronics:stm32
+            source-url: https://github.com/stm32duino/BoardManagerFiles/raw/main/package_stmicroelectronics_index.json
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        
+      - name: Branch name
+        run: echo running on branch ${GITHUB_REF##*/}
+
+            # Setup Arduino command line - install esp32 and all the libs flux needs
+      - name: Arduino - Install and setup the Arduino CLI
+        uses: arduino/setup-arduino-cli@v2
+
+      - name: Arduino - Start config file
+        run: arduino-cli config init --additional-urls ${{ matrix.board.source-url}}
+
+      - name: Arduino - Update index
+        run: arduino-cli core update-index
+
+      - name: Arduino - Install platform
+        run: arduino-cli core install ${{ matrix.board.name}}
+
+      - name: Arduino - Install libraries
+        run: |
+            arduino-cli config set library.enable_unsafe_install true
+            arduino-cli version
+            arduino-cli lib install 'SparkFun Toolkit'
+
+      - name: Compile Sketch
+        run: arduino-cli compile --fqbn ${{ matrix.board.fqbn }} examples/Example_01_Buzz --library .
+        
+    # outputs:
+    #   report-artifact-name: ${{ steps.report-artifact-name.outputs.report-artifact-name }}
+
diff --git a/src/sfTk/sfDevBuzzer.cpp b/src/sfTk/sfDevBuzzer.cpp
index a35da7d..8722485 100644
--- a/src/sfTk/sfDevBuzzer.cpp
+++ b/src/sfTk/sfDevBuzzer.cpp
@@ -55,13 +55,13 @@ sfTkError_t sfDevBuzzer::isConnected()
 
 sfTkError_t sfDevBuzzer::deviceId(uint8_t &deviceId)
 {
-    return _theBus->readRegisterByte(kSfeQwiicBuzzerRegId, deviceId);
+    return _theBus->readRegister(kSfeQwiicBuzzerRegId, deviceId);
 }
 
 bool sfDevBuzzer::firmwareVersionMajor(uint8_t &versionMajor)
 {
     sfTkError_t err;
-    err = _theBus->readRegisterByte(kSfeQwiicBuzzerRegFirmwareMajor, versionMajor);
+    err = _theBus->readRegister(kSfeQwiicBuzzerRegFirmwareMajor, versionMajor);
     if (err == ksfTkErrOk)
         return true;
     else
@@ -71,7 +71,7 @@ bool sfDevBuzzer::firmwareVersionMajor(uint8_t &versionMajor)
 bool sfDevBuzzer::firmwareVersionMinor(uint8_t &versionMinor)
 {
     sfTkError_t err;
-    err = _theBus->readRegisterByte(kSfeQwiicBuzzerRegFirmwareMinor, versionMinor);
+    err = _theBus->readRegister(kSfeQwiicBuzzerRegFirmwareMinor, versionMinor);
     if (err == ksfTkErrOk)
         return true;
     else
@@ -105,22 +105,22 @@ sfTkError_t sfDevBuzzer::configureBuzzer(const uint16_t toneFrequency, const uin
     data[3] = durationMSB;      // kSfeQwiicBuzzerRegDurationMsb
     data[4] = durationLSB;      // kSfeQwiicBuzzerRegDurationLsb
 
-    return _theBus->writeRegisterRegion(kSfeQwiicBuzzerRegToneFrequencyMsb, data, dataLength);
+    return _theBus->writeRegister(kSfeQwiicBuzzerRegToneFrequencyMsb, data, dataLength);
 }
 
 sfTkError_t sfDevBuzzer::on()
 {
-    return _theBus->writeRegisterByte(kSfeQwiicBuzzerRegActive, 1);
+    return _theBus->writeRegisterUInt8(kSfeQwiicBuzzerRegActive, 1);
 }
 
 sfTkError_t sfDevBuzzer::off()
 {
-    return _theBus->writeRegisterByte(kSfeQwiicBuzzerRegActive, 0);
+    return _theBus->writeRegisterUInt8(kSfeQwiicBuzzerRegActive, 0);
 }
 
 sfTkError_t sfDevBuzzer::saveSettings()
 {
-    return _theBus->writeRegisterByte(kSfeQwiicBuzzerRegSaveSettings, 1);
+    return _theBus->writeRegisterUInt8(kSfeQwiicBuzzerRegSaveSettings, 1);
 }
 
 sfTkError_t sfDevBuzzer::setAddress(const uint8_t &address)
@@ -130,7 +130,7 @@ sfTkError_t sfDevBuzzer::setAddress(const uint8_t &address)
         return ksfTkErrFail; // error immediately if the address is out of legal range
     }
 
-    sfTkError_t err = _theBus->writeRegisterByte(kSfeQwiicBuzzerRegI2cAddress, address);
+    sfTkError_t err = _theBus->writeRegister(kSfeQwiicBuzzerRegI2cAddress, address);
 
     // Check whether the write was successful
     if (err != ksfTkErrOk)
diff --git a/src/sfTk/sfDevBuzzerRegisters.h b/src/sfTk/sfDevBuzzerRegisters.h
index 75e9d86..418cd4d 100644
--- a/src/sfTk/sfDevBuzzerRegisters.h
+++ b/src/sfTk/sfDevBuzzerRegisters.h
@@ -21,17 +21,15 @@
 #include <stdint.h>
 
 // Register Pointer Map
-enum Qwiic_Buzzer_Register : uint8_t
-{
-    kSfeQwiicBuzzerRegId = 0x00,
-    kSfeQwiicBuzzerRegFirmwareMinor,
-    kSfeQwiicBuzzerRegFirmwareMajor,
-    kSfeQwiicBuzzerRegToneFrequencyMsb,
-    kSfeQwiicBuzzerRegToneFrequencyLsb,
-    kSfeQwiicBuzzerRegVolume,
-    kSfeQwiicBuzzerRegDurationMsb,
-    kSfeQwiicBuzzerRegDurationLsb,
-    kSfeQwiicBuzzerRegActive,
-    kSfeQwiicBuzzerRegSaveSettings,
-    kSfeQwiicBuzzerRegI2cAddress,
-};
\ No newline at end of file
+
+const uint8_t kSfeQwiicBuzzerRegId = 0x00;
+const uint8_t kSfeQwiicBuzzerRegFirmwareMinor = 0x01;
+const uint8_t kSfeQwiicBuzzerRegFirmwareMajor = 0x02;
+const uint8_t kSfeQwiicBuzzerRegToneFrequencyMsb = 0x03;
+const uint8_t kSfeQwiicBuzzerRegToneFrequencyLsb = 0x04;
+const uint8_t kSfeQwiicBuzzerRegVolume = 0x05;
+const uint8_t kSfeQwiicBuzzerRegDurationMsb = 0x06;
+const uint8_t kSfeQwiicBuzzerRegDurationLsb = 0x07;
+const uint8_t kSfeQwiicBuzzerRegActive = 0x08;
+const uint8_t kSfeQwiicBuzzerRegSaveSettings = 0x09;
+const uint8_t kSfeQwiicBuzzerRegI2cAddress = 0x0A;