4*4 matrix keypad featuring 16 keys, slightly raised providing feedback when pressed. The keypad comprises of red and blue keys against a black background and features self adhesive backing for easy installation.
Great for students creating 'password' entry projects
My students are using Raspberry Pi Pico microprocessors for a variety of hardware projects, these have gone down very well and many secret password programs are now being written. Uses a lot of GP pins (8) but worth it.
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