Matrix keyboard, 16-key keyboard modules 4x4 buttons External keyboard Microcontroller keyboard for MCU
- These are great keyboard modules that are used for single chip microcontroller.
- These are great choice for external keyboards of microcontroller.
- Small size, save space, convenient to use and connect.
- 4*4 button design, total 16 buttons on one keyboard module.
- 100% brand new and high quality.
