Arduino LED 'blink'

// Zeitstempel ab Start unsigned long nextts = 0; // LED Pin #define LED 13 // On/Off intervall #define INTERVAL 500 void setup() { pinMode(LED, OUTPUT); Serial.begin(9600); } void loop() { // millis() Anzahl der ms seit ab Start if(millis() > nextts) { nextts = millis() + INTERVAL; digitalWrite(LED, !digitalRead(LED)); Serial.println(digitalRead(LED)); } }

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