The number of buttons is low

😉 It appears that you are talking about a button box for a gaming setup, potentially one for aviation or racing simulations where extra buttons or controls are employed for different in-game tasks. The particular hardware and software you're using will determine if you can expand your setup to include extra buttons.

Thanks for sharing great post. 

@lui12 😉

thank you eggy car

If you’re currently limited to 12 inputs, you might be using a basic microcontroller or input board. You could upgrade to a microcontroller with more input pins, such as an Arduino Mega or a Teensy board, both of which support significantly more inputs.

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Dave Bennett