int rLED = 13; int yLED = 12; int wLED = 11; int gLED = 10; void setup() { //OUTPUT setup pinMode(rLED, OUTPUT); pinMode(yLED, OUTPUT); pinMode(wLED, OUTPUT); pinMode(gLED, OUTPUT); } void loop() { //등화순서 1 digitalWrite(rLED, LOW); digitalWrite(yLED, LOW); digitalWrite(wLED, LOW); digitalWrite(gLED, HIGH); delay(5000); //5초 대기 //등화순서 2 digitalWrite(rLED, LOW); digitalWrite(yLED, HIGH); digitalWr..