
Enter your code effortlessly with this numeric matrix keypad featuring 12 buttons in a 3x4 grid, reminiscent of a classic telephone layout. Requiring only 7 microcontroller pins, this keypad simplifies your project with its easy-to-scan matrix configuration.
Supplied with headers for seamless breadboard integration, this sturdy device demands minimal soldering, making it a reliable, enhanced alternative to a membrane keypad. The specific arrangement of columns and rows ensures efficient connectivity, despite their intermixed order.
Ideal for myriad applications, from DIY electronics to advanced projects, it pairs well with our comprehensive guides, complete with wiring diagrams, libraries, and example sketches. Elevate your toolkit further with the 4x4 keypad variant or a version displaying phone-styled letters.
| Brand | Adafruit |
| Model | 3845 |