#define DCC200 11 // Pen 1 is RX/TX niet gebruiken#define WIDO 12 // Pen 2 is interrupt input, vermeiden indien mogelijk // LOW is LEDs aan HIGH is LEDS uit#define TIME 250 // Tijd dat LED aan of uit isbool knipper;unsigned long currentperiod;void setup() { // put your setup code here, to run once: pinMode(DCC200, INPUT_PULLUP); pinMode(WIDO, OUTPUT); digitalWrite(WIDO, LOW); knipper = false; currentperiod = millis();}void loop() { // put your main code here, to run repeatedly: if (digitalRead(DCC200) == 0) { digitalWrite(WIDO, LOW); knipper = false; } else { if (currentperiod < millis()) { knipper != knipper; digitalWrite(WIDO, knipper); currentperiod = millis() + TIME; } }}