energy_indicator, doorbell4-esp32, nightlight

D1 mini/On_Air/On_Air.ino

@@ -1,9 +1,6 @@
 #include <ESP8266WiFi.h>
 #include <ESP8266WebServer.h>
 
-
-// FIXME BUILTIN_LED muss heißen LED_BUILTIN - https://desertbot.io/blog/d1-mini-blink
-
 const int optocoupler = D2;
 
 const char* ssid = "LeWe";
@@ -17,8 +14,8 @@ int lightStatus = 0; // 0 off, 1 on, 2 pulse
 void setup() {
   Serial.begin(9600);
   
-  pinMode(BUILTIN_LED, OUTPUT);  // initialize onboard LED as output
-  digitalWrite(BUILTIN_LED, HIGH);
+  pinMode(LED_BUILTIN, OUTPUT);  // initialize onboard LED as output
+  digitalWrite(LED_BUILTIN, HIGH);
 
   pinMode(optocoupler, OUTPUT);
   digitalWrite(optocoupler, LOW);
@@ -34,16 +31,16 @@ void setup() {
   while (WiFi.status() != WL_CONNECTED) {
     Serial.print(".");
     delay(250);
-    digitalWrite(BUILTIN_LED, LOW);
+    digitalWrite(LED_BUILTIN, LOW);
     delay(250);
-    digitalWrite(BUILTIN_LED, HIGH);
+    digitalWrite(LED_BUILTIN, HIGH);
   }
   Serial.println();
   Serial.print("IP address: ");
   Serial.println(WiFi.localIP());
   WiFi.setAutoReconnect(true);
   WiFi.persistent(true);
-  digitalWrite(BUILTIN_LED, HIGH);
+  digitalWrite(LED_BUILTIN, HIGH);
 
   server.on("/click", handle_click);
   server.on("/light", handle_light);