This keypad has 16 buttons, arranged in a 4×4 grid. It’s made of a thin, flexible membrane material The keys are connected into a matrix, so you only need 8 microcontroller pins (4-columns and 4-rows) to connect the key pad.
4X4 Matrix Keypad
৳ 95.00
4X4 Matrix Keyapd
Only 4 left in stock
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