Arduino – Traffic Light
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int led1=2; int led2=3; int sw=6; void setup() { pinMode(led1, OUTPUT); pinMode(led2, OUTPUT); pinMode(sw, INPUT); } void loop() { digitalWrite(led2, LOW); digitalWrite(led1, HIGH); if (digitalRead(sw)==HIGH) { delay(1000); digitalWrite(led1, LOW); digitalWrite(led2, HIGH); delay(1000); for (int i=0;i<4;i++) { digitalWrite(led2, HIGH); delay(500); digitalWrite(led2, LOW); delay(500); } } } |