Adafruit Membrane 1x4 Keypad + Extras

Punch in your secret key with ease using this numeric membrane keypad. It features four buttons, each with its own wire line, eliminating the need for matrix coding. Just treat these like everyday switches for straightforward operation.The soft membrane includes a removable paper backing, revealing a strong adhesive that allows for secure attachment to any enclosure. Simply feed the cable through a slot for a neat, professional setup.This keypad's simplicity is its strength. A 5-pin extra-long header strip is included, ensuring you can effortlessly connect to a breadboard. Explore our detailed guide, complete with wiring diagrams, libraries, and example sketches for various matrix keypads.