Keyboard Modules with 16 Keys 4x4 Push Buttons External Big Keypad for MCU

Features: 1. These are great keyboard modules that are used for single chip microcontroller. 2. 4*4 button design, total 16 buttons on one keyboard module. 3. Small size, save space, convenient to use and connect. 4. These are great choice for external keyboards of microcontroller. 5. 100percent brand new and high quality. 6. Four mounting holes on each corner. Specification: Button: 16 Material: ABS Color: shown as picture Package List: 1 * Keyboard