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- /* A simple program to sequentially turn on and turn off 12 LEDs */
- int LED1 = 13;
- int LED2 = 12;
- int LED3 = 11;
- int LED4 = 10;
- int LED5 = 9;
- int LED6 = 8;
- int LED7 = 7;
- int LED8 = 6;
- int LED9 = 5;
- int LED10 = 4;
- int LED11 = 3;
- int LED12 = 2;
- void setup() {
- pinMode(LED1, OUTPUT);
- pinMode(LED2, OUTPUT);
- pinMode(LED3, OUTPUT);
- pinMode(LED4, OUTPUT);
- pinMode(LED5, OUTPUT);
- pinMode(LED6, OUTPUT);
- pinMode(LED7, OUTPUT);
- pinMode(LED8, OUTPUT);
- pinMode(LED9, OUTPUT);
- pinMode(LED10, OUTPUT);
- pinMode(LED11, OUTPUT);
- pinMode(LED12, OUTPUT);
- }
- void loop() {
- digitalWrite(LED1, HIGH); // turn on LED1
- delay(100); // wait for 200ms
- digitalWrite(LED2, HIGH); // turn on LED2
- delay(100); // wait for 200ms
- digitalWrite(LED3, HIGH); // turn on LED3
- delay(100); // wait for 200ms
- digitalWrite(LED4, HIGH); // turn on LED4
- delay(100); // wait for 200ms
- digitalWrite(LED5, HIGH); // turn on LED5
- delay(100); // wait for 200ms
- digitalWrite(LED6, HIGH); // turn on LED6
- delay(100); // wait for 200ms
- digitalWrite(LED7, HIGH); // turn on LED7
- delay(100); // wait for 200ms
- digitalWrite(LED8, HIGH); // turn on LED8
- delay(100); // wait for 200ms
- digitalWrite(LED9, HIGH); // turn on LED9
- delay(100); // wait for 200ms
- digitalWrite(LED10, HIGH); // turn on LED10
- delay(100); // wait for 200ms
- digitalWrite(LED11, HIGH); // turn on LED11
- delay(100); // wait for 200ms
- digitalWrite(LED12, HIGH); // turn on LED12
- delay(100); // wait for 200ms
- digitalWrite(LED1, LOW); // turn off LED1
- delay(100); // wait for 300ms
- digitalWrite(LED2, LOW); // turn off LED2
- delay(100); // wait for 300ms
- digitalWrite(LED3, LOW); // turn off LED3
- delay(100); // wait for 300ms
- digitalWrite(LED4, LOW); // turn off LED4
- delay(100); // wait for 300ms
- digitalWrite(LED5, LOW); // turn off LED5
- delay(100); // wait for 300ms
- digitalWrite(LED6, LOW); // turn off LED6
- delay(100); // wait for 300ms
- digitalWrite(LED7, LOW); // turn off LED7
- delay(100); // wait for 300ms
- digitalWrite(LED8, LOW); // turn off LED8
- delay(100); // wait for 300ms
- digitalWrite(LED9, LOW); // turn off LED9
- delay(100); // wait for 300ms
- digitalWrite(LED10, LOW); // turn off LED10
- delay(100); // wait for 300ms
- digitalWrite(LED11, LOW); // turn off LED11
- delay(100); // wait for 300ms
- digitalWrite(LED12, LOW); // turn off LED8
- delay(100); // wait for 300ms before running program all over again
- }
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