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- void setup(){
- pinMode(2, OUTPUT); // digit 1
- pinMode(3, OUTPUT); // top (a)
- pinMode(4, OUTPUT); // top left (f)
- pinMode(5, OUTPUT); // digit 2
- pinMode(6, OUTPUT); // digit 3
- pinMode(7, OUTPUT); // top right (b)
- pinMode(8, OUTPUT); // bottom left (e)
- pinMode(9, OUTPUT); // bottom (d)
- pinMode(10, OUTPUT); // dot
- pinMode(11, OUTPUT); // bottom right (c)
- pinMode(12, OUTPUT); // middle (g)
- pinMode(13, OUTPUT); // digit 4
- }
- void loop(){
- //digit 1
- digitalWrite(7, LOW); // set b off
- digitalWrite(11, LOW); // set c off
- digitalWrite(4, LOW); // set f off
- digitalWrite(8, LOW); // set e off
- digitalWrite(13, HIGH); // set digit 4 to off
- digitalWrite(6, HIGH); // set digit 3 to off
- digitalWrite(5, HIGH); // set digit 2 to off
- digitalWrite(2, HIGH); // set digit 1 to on
- delay(1);
- //digit 2
- digitalWrite(7, LOW); // set b off
- digitalWrite(11, LOW); // set c off
- digitalWrite(4, LOW); // set f off
- digitalWrite(8, LOW); // set e off
- digitalWrite(13, HIGH); // set digit 4 to off
- digitalWrite(6, HIGH); // set digit 3 to off
- digitalWrite(5, HIGH); // set digit 2 to on
- digitalWrite(2, HIGH); // set digit 1 to off
- delay(1);
- //digit 3
- digitalWrite(7, HIGH); // set b to on
- digitalWrite(11, HIGH); // set c to on
- digitalWrite(4, LOW); // set f off
- digitalWrite(8, LOW); // set e off
- digitalWrite(13, HIGH); // set digit 4 to off
- digitalWrite(6, LOW); // set digit 3 to on
- digitalWrite(5, HIGH); // set digit 2 to off
- digitalWrite(2, HIGH); // set digit 1 to off
- delay(1);
- //digit 4
- digitalWrite(7, LOW); // set b off
- digitalWrite(11, LOW); // set c off
- digitalWrite(4, HIGH); // set f on
- digitalWrite(8, HIGH); // set e on
- digitalWrite(13, LOW); // set digit 4 to on
- digitalWrite(6, HIGH); // set digit 3 to off
- digitalWrite(5, HIGH); // set digit 2 to off
- digitalWrite(2, HIGH); // set digit 1 to off
- delay(1);
- }
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