Sometimes, coding on the Arduino IDE is just not enough ... Like any other extension, you just have to go to the Extensions tab on the left tray area, click on PlatformIO IDE, then click the uninstall ...

And D13 due to arduino on board led Other boards pin support may vary. Matrix wiring is intended for momentary switches, you cant use toggle switches (non momentary) and won't support multiple buttons ...

Keep away from atmega168p sometimes bundled on misleading "arduino nano" boards, this chip is not supported. Keep away from WAVGAT brand. The boards coming from WAVGAT are fake arduinos (fake/wrong ...

(Google Translate) The wiring for this project is about as easy as you’d expect: the buttons connect to the digital inputs on the Arduino, and the LEDs on the digital outputs. When the Arduino ...

The button states could easily be read by using an Arduino’s analog input. A Pro Mini model was chosen for its small size as it could be housed in the radio compartment of the dash. The next ...

You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the button is not pressed and 1 that the button is ...