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 ...

This simple setup serves as a foundation for demonstrating the basic functionality of GPIO control. The LED can be switched on and off, while the push button allows for user interaction and input ...

Now, everything’s set up, so click the right-facing arrow near the top-left corner of the Arduino IDE window to upload the program to the board.

The OONTZ uses a 3D printed case, a 16 button keypad, an Arduino Leonardo, a monochrome driver, and a few potentiometers. It's actually a pretty simple thing to build yourself provided you can the ...