- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- 5 pins 2.54mm pitch connector, 4x 4type 16 keys.
- Sticker can peel off for adhesive mounting.
- Used widely in industrial and home electronic equipments, instrument, etc.
- This allows a microcontroller to ‘scan’ the 8 output pins to see which of the 16 buttons is being pressed.
4x4 Membrane Keypad
This 4×4 Membrane is high-quality soft touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions. This 4×4 Membrane Keypad is a high-quality product at very low cost for your application needs.
This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.
The Keypad 4×4 features a total of 16 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 8-pin berg connector is require for interfacing it with your microcontroller circuits.
Package Includes:
- 1 x 4x4 Membrane Keypad
Specifications
| Keypad Matrix | 4x4 Keypad Matrix |
| Operating Voltage | 12V (DC) |
| Dimensions | 7.9 x 6.9 x 1cms |
| Weight | 25 grams |
| Bestseller | No |
|---|---|
| Is Featured | No |
| rpi | No |
| HOT DEALS | No |
How does a 4x4 keypad work?
This 4x4 matrix keypad has 16 built-in pushbutton contacts connected to row and column lines. A microcontroller can scan these lines for a button-pressed state. In the keypad library, the Propeller sets all the column lines to input, and all the row lines to input.
