1.ino (540B)
1 #define GREEN_LED 7 2 #define YELLOW_LED 12 3 #define RED_LED 13 4 5 6 void setup() { 7 // put your setup code here, to run once: 8 pinMode(GREEN_LED, OUTPUT); 9 pinMode(YELLOW_LED, OUTPUT); 10 pinMode(RED_LED, OUTPUT); 11 } 12 13 void loop() { 14 // put your main code here, to run repeatedly: 15 digitalWrite(GREEN_LED, HIGH); 16 delay(100); 17 digitalWrite(YELLOW_LED, HIGH); 18 delay(100); 19 digitalWrite(RED_LED, HIGH); 20 delay(100); 21 digitalWrite(GREEN_LED, LOW); 22 delay(100); 23 digitalWrite(YELLOW_LED, LOW); 24 delay(100); 25 digitalWrite(RED_LED, LOW); 26 delay(100); 27 } 28