This keypad has 12 buttons, arranged in a 3×4 grid. It’s made of a thin, flexible membrane material The keys are connected into a matrix, so you only need 7 microcontroller pins (3-columns and 4-rows) to connect the key pad.
Matrix Keypad (3×4)
৳ 90.00
This keypad has 12 buttons, arranged in a 3×4 grid. It’s made of a thin, flexible membrane material The keys are connected into a matrix, so you only need 7 microcontroller pins (3-columns and 4-rows) to connect the key pad.
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