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- void setup() {
- pinMode(2, OUTPUT);
- pinMode(3, OUTPUT);
- pinMode(4, OUTPUT);
- pinMode(5, OUTPUT);
- pinMode(6, OUTPUT);
- pinMode(7, OUTPUT);
- pinMode(8, OUTPUT);
- pinMode(9, OUTPUT);
- digitalWrite(9, 1); // start with the "dot" off
- }
- void loop() {
- // 0
- digitalWrite(2, 0);
- digitalWrite(3, 0);
- digitalWrite(4, 0);
- digitalWrite(5, 0);
- digitalWrite(6, 0);
- digitalWrite(7, 0);
- digitalWrite(8, 1);
- delay(1000);
- // 1
- digitalWrite(2, 1);
- digitalWrite(3, 0);
- digitalWrite(4, 0);
- digitalWrite(5, 1);
- digitalWrite(6, 1);
- digitalWrite(7, 1);
- digitalWrite(8, 1);
- delay(1000);
- // 2
- digitalWrite(2, 0);
- digitalWrite(3, 0);
- digitalWrite(4, 1);
- digitalWrite(5, 0);
- digitalWrite(6, 0);
- digitalWrite(7, 1);
- digitalWrite(8, 0);
- delay(1000);
- // 3
- digitalWrite(2, 0);
- digitalWrite(3, 0);
- digitalWrite(4, 0);
- digitalWrite(5, 0);
- digitalWrite(6, 1);
- digitalWrite(7, 1);
- digitalWrite(8, 0);
- delay(1000);
- // 4
- digitalWrite(2, 1);
- digitalWrite(3, 0);
- digitalWrite(4, 0);
- digitalWrite(5, 1);
- digitalWrite(6, 1);
- digitalWrite(7, 0);
- digitalWrite(8, 0);
- delay(1000);
- // 5
- digitalWrite(2, 0);
- digitalWrite(3, 1);
- digitalWrite(4, 0);
- digitalWrite(5, 0);
- digitalWrite(6, 1);
- digitalWrite(7, 0);
- digitalWrite(8, 0);
- delay(1000);
- // 6
- digitalWrite(2, 0);
- digitalWrite(3, 1);
- digitalWrite(4, 0);
- digitalWrite(5, 0);
- digitalWrite(6, 0);
- digitalWrite(7, 0);
- digitalWrite(8, 0);
- delay(1000);
- // 7
- digitalWrite(2, 0);
- digitalWrite(3, 0);
- digitalWrite(4, 0);
- digitalWrite(5, 1);
- digitalWrite(6, 1);
- digitalWrite(7, 1);
- digitalWrite(8, 1);
- delay(1000);
- // 8
- digitalWrite(2, 0);
- digitalWrite(3, 0);
- digitalWrite(4, 0);
- digitalWrite(5, 0);
- digitalWrite(6, 0);
- digitalWrite(7, 0);
- digitalWrite(8, 0);
- delay(1000);
- // 9
- digitalWrite(2, 0);
- digitalWrite(3, 0);
- digitalWrite(4, 0);
- digitalWrite(5, 0);
- digitalWrite(6, 1);
- digitalWrite(7, 0);
- digitalWrite(8, 0);
- delay(1000);
- }
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