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void up()
{
digitalWrite(12, HIGH);
delayMicroseconds(5000);
digitalWrite(12, LOW);
delayMicroseconds(1000);
digitalWrite(12, HIGH);
}
void setup() {
pinMode(2, INPUT);
pinMode(12, OUTPUT);
// put your setup code here, to run once:
attachInterrupt(0, up, RISING);
}
void loop() {
// put your main code here, to run repeatedly:
delay(100);
}
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