#define rCarPin 5 #define yCarPin 6 #define gCarPin 7 void setup() { for (int i = 5; i<=7; i++) { pinMode(i, OUTPUT); } } void loop() { digitalWrite(rCarPin, LOW); digitalWrite(yCarPin, LOW); digitalWrite(gCarPin, HIGH); delay(5000); digitalWrite(yCarPin, HIGH); digitalWrite(gCarPin, LOW); delay(3000); digitalWrite(rCarPin, HIGH); digitalWrite(yCarPin, LOW); delay(3000); digitalWrite(rCarPin, HIGH); digitalWrite(yCarPin, HIGH); delay(3000); }