Hopcd 4x4 Keypad MCU Board Matrix Array Switch 4 X Membrane Keyboard Module Modules for Great Choice External Keyboards of Microcontroller
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4*4 button design, total 16 buttons on one keyboard module. Four mounting holes on each corner. Small size, save space, convenient to use and connect. These are great keyboard modules that are used for single chip microcontroller. These are great choice for external keyboards of microcontroller.
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Description
Amazon
4*4 button design, total 16 buttons on one keyboard module. Four mounting holes on each corner. Small size, save space, convenient to use and connect. These are great keyboard modules that are used for single chip microcontroller. These are great choice for external keyboards of microcontroller.
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Price
4*4 button design, total 16 buttons on one keyboard module. Four mounting holes on each corner. Small size, save space, convenient to use and connect. These are great keyboard modules that are used for single chip microcontroller. These are great choice for external keyboards of microcontroller.
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