Arduino – Traffic Light
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int led1=2; int led2=3; int led3=4; void setup() { pinMode(led1, OUTPUT); pinMode(led2, OUTPUT); pinMode(led3, OUTPUT); } void loop() { digitalWrite(led3, LOW); digitalWrite(led1, HIGH); delay(5000); digitalWrite(led1, LOW); digitalWrite(led2, HIGH); delay(1000); digitalWrite(led2, LOW); digitalWrite(led3, HIGH); delay(3000); } |