How to use Arduino UNO R4 interrupt

[van_der_decken]

@mirui

Wondering how interrup works for R4, cannot find any usefull reference.

Really?

Pin Change interrupt - Finding various variable names

Hi @pf_bsf, I made a test using 4 buttons on pins 1, 2, 3 & 4 and it is working fine for me, I made a function that changes the status of the built-in LED using any of these four buttons. This is my sketch: // LED and switch const byte buttonPin1 = 0; const byte buttonPin2 = 1; const byte buttonPin3 = 2; const byte buttonPin4 = 3; bool status = 1; void setup() { // Set LED as output pinMode(LED_BUILTIN, OUTPUT); // Set switch as input with pullup Serial.begin(9600); pinMode(butto…

Page 4 of https://docs.arduino.cc/resources/pinouts/ABX00080-full-pinout.pdf

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