Klingel-Sensor mit Arduino Nano und Python

klingel_sender_nano_serial/klingel_sender_nano_serial.ino

@@ -0,0 +1,35 @@
+int ledPin = LED_BUILTIN;
+int buttonPin = 2; // Button connected to D2 and GND
+bool active = false;
+
+void setup() {
+  pinMode(ledPin, OUTPUT);
+  pinMode(buttonPin, INPUT_PULLUP);
+  Serial.begin(9600);
+  Serial.println("Starting doorbell sensor");
+}
+
+void loop() {
+  int val = digitalRead(buttonPin);
+  
+  if (val == LOW) {
+    delay(2); // catch flares
+    if (val == LOW && active == false) {
+      Serial.println("RING");
+      digitalWrite(ledPin, HIGH);
+      active = true;
+      delay(250);
+    }
+    else {
+      // Serial.println("flare");
+    }
+  }
+  else {
+    delay(2); // catch flares
+    if (val == HIGH) {
+      active = false;
+      digitalWrite(ledPin, LOW);
+    }
+  }
+  
+}