2×2 Key click is a board with a 4 button keypad. People have always loved buttons; it’s an easy and intuitive way to interact with your environment. From making them out of animal bones and shells to making them out of concentrated ultrasound waves.

Our new click allows multiple key presses and has a debounce circuit. It is designed to use either 3.3V or 5V power supply.

Yours Sincerely,

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