Use a board with non-empty LED_BUILTIN

Author: tfry-git

.github/workflows/compile_examples.yml

@@ -38,7 +38,7 @@ jobs:
             platforms: |
               - name: esp8266:esp8266
                 source-url: https://arduino.esp8266.com/stable/package_esp8266com_index.json
-          - fqbn: esp32:esp32:esp32
+          - fqbn: esp32:esp32:LOLIN_D32
             type: esp32
             platforms: |
               - name: esp32:esp32

examples/Blink/Blink.ino

@@ -10,11 +10,7 @@
 
 #include <EmbAJAX.h>
 
-#if defined(LED_BUILTIN)
 #define LEDPIN LED_BUILTIN
-#else
-#define LEDPIN 2
-#endif
 
 // Set up web server, and register it with EmbAJAX. Note: EmbAJAXOutputDriverWebServerClass is a
 // convenience #define to allow using the same example code across platforms

examples/Blink_Ethernet/Blink_Ethernet.ino

@@ -22,11 +22,7 @@
 byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
 IPAddress ip(192, 168, 1, 177);
 
-#if defined(LED_BUILTIN)
 #define LEDPIN LED_BUILTIN
-#else
-#define LEDPIN 2
-#endif
 
 // Set up web server, and register it with EmbAJAX. Note: EmbAJAXOutputDriverWebServerClass is a
 // convenience #define to allow using the same example code across platforms