add github actions for testing

Author: mathertel

.github/workflows/arduino-checks.yml

@@ -17,6 +17,7 @@ jobs:
 
   # This defines a job for checking the Arduino library format specifications
   # see <https://github.com/marketplace/actions/arduino-arduino-lint-action>
+
   lint:
     name: check library format
     runs-on: ubuntu-latest
@@ -34,6 +35,7 @@ jobs:
 
   # These jobs are used to compile the examples fot the specific processor/board.
   # see <https://github.com/marketplace/actions/compile-arduino-sketches>
+
   compile-uno:
     name: compile uno examples
     runs-on: ubuntu-latest
@@ -43,11 +45,54 @@ jobs:
       - uses: actions/checkout@v2
 
       # Compile Examples for UNO
-      - name: Compile examples on uno
+      - name: Compile examples for UNO
         uses: arduino/compile-sketches@v1
         with:
           verbose: true
           fqbn: arduino:avr:uno
           sketch-paths: |
             - 'examples/LiquidCrystal_PCF8574_Test'
 
+  compile-esp8266:
+    name: compile esp8266 examples
+    runs-on: ubuntu-latest
+    continue-on-error: true
+
+    steps:
+      - uses: actions/checkout@v2
+
+      # Compile Examples for ESP8266
+      - name: Compile examples for ESP8266
+        uses: arduino/compile-sketches@v1
+        with:
+          verbose: true
+          platforms: |
+            # Install ESP8266 platform via Boards Manager
+            - name: esp8266:esp8266
+              source-url: https://arduino.esp8266.com/stable/package_esp8266com_index.json
+              version: 3.0.0
+          fqbn: esp8266:esp8266:nodemcuv2
+          sketch-paths: |
+            - 'examples/LiquidCrystal_PCF8574_Test'
+
+  compile-esp32:
+    name: compile ESP32 examples
+    runs-on: ubuntu-latest
+    continue-on-error: true
+
+    steps:
+      - uses: actions/checkout@v2
+
+      # Compile Examples for ESP32
+      - name: Compile examples for ESP32
+        uses: arduino/compile-sketches@v1
+        with:
+          verbose: true
+            # Install ESP32 platform via Boards Manager
+          platforms: |
+            - name: "esp32:esp32"
+              source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+              version: 2.0.3
+          fqbn: esp32:esp32:esp32
+          sketch-paths: |
+            - 'examples/LiquidCrystal_PCF8574_Test'