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- /* A simple program to sequentially turn on and turn off 3 LEDs */
- int LED1 = 13;
- int LED2 = 12;
- int LED3 = 11;
- void setup() {
- pinMode(LED1, OUTPUT);
- pinMode(LED2, OUTPUT);
- pinMode(LED3, OUTPUT);
- }
- void loop() {
- digitalWrite(LED1, HIGH); // turn on LED1
- delay(200); // wait for 200ms
- digitalWrite(LED2, HIGH); // turn on LED2
- delay(200); // wait for 200ms
- digitalWrite(LED3, HIGH); // turn on LED3
- delay(200); // wait for 200ms
- digitalWrite(LED1, LOW); // turn off LED1
- delay(300); // wait for 300ms
- digitalWrite(LED2, LOW); // turn off LED2
- delay(300); // wait for 300ms
- digitalWrite(LED3, LOW); // turn off LED3
- delay(300); // wait for 300ms before running program all over again
- }
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