4x4 Matrix 16 Keypad Module 16 Buttons Mcu For Arduino
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- 4*4 Matrix Keypad Keyboard Module MCU For Arduino Atmel Stmap S1/2
- External keyboard microcontroller expansion
- 4×4 numeric keypads are most widely used in numerous mini project which requires the user or the operator to give command to the system or to feed in some data
- If you solder on a header, we highly recommend laying down some flux on the pads first, inserting the header pins, then soldering
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