This 3 Buttons Membrane Keypad provides a useful human interface component for microcontroller projects. It's made of a thin, flexible membrane material with an adhesive backing so you can attach it to nearly anything. The keys are connected into a matrix, it only take up 4 I/O pins of the microcontroller.
We include a 4-pin extra-long header strip so you can plug this into a breadboard with ease.
- Ultra-thin design & adhesive backing provides easy integration to any project
- No pull-up resistor is required
- Easy interfacing to any microcontroller
- Maximum Rating: 24 VDC, 30 mA
- Keypad dimensions: 57mm x 20mm x 1mm
- Length of cable + connector: 95mm
- Weight: 2.9 grams