Hi guys, I am right now trying to get a piezoelectric button to work on pin 2 as an interrupt. first this is my code: void funcBut1(); volatile bool but1_int; bool but1; void setup() { attachInterrupt(0, funcBut1, RISING); //0 = interrupt on pin 2 pinMode(LED_BUILTIN, OUTPUT); pinMode(A0, …

100-500ms pulse for external Interrupt

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