Add CI

.github/workflows/compile-board-firmware.yml

@@ -0,0 +1,40 @@
+name: Compile Sketch
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  compile-sketch:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # For more information: https://github.com/arduino/compile-sketches#readme
+      - name: Compile sketch
+        uses: arduino/compile-sketches@v1
+        with:
+          platforms: |
+            - name: esp32:esp32
+              source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+              version: 2.0.17
+          fqbn: "esp32:esp32:esp32da:PartitionScheme=min_spiffs"
+          sketch-paths: |
+            - ./board-firmware/
+          libraries: |
+            - source-url: https://github.com/freemyipod/arduino-audio-tools.git
+              version: add-scanning-callbacks
+            - source-url: https://github.com/freemyipod/ESP32-A2DP.git
+              version: add-scanning-callbacks
+          cli-compile-flags: |
+            - --export-binaries
+          verbose: true
+          enable-deltas-report: true
+
+      - name: Upload exported binary files
+        uses: actions/upload-artifact@v4
+        with:
+          name: build
+          path: ./board-firmware/build/

README.md

@@ -1,5 +1,7 @@
 # iPod Bluetooth Board, Firmware, and Software
 
+[![Compile Sketch](https://github.com/freemyipod/iPodBluetooth/actions/workflows/compile-board-firmware.yml/badge.svg?branch=ci)](https://github.com/freemyipod/iPodBluetooth/actions/workflows/compile-board-firmware.yml)
+
 ## [Watch The Video First](https://youtu.be/AVvXbqsTUnk)
 ### [Featured on Hackaday!](https://hackaday.com/2022/09/14/esp32-adds-bluetooth-to-an-ipod-nano/)