Add user interface component to your project. This keypad has 16 keys arranged in 4x4 matrix linked to a cable. The keypad and the cable are made of light, flexible and thin membrane.
The push-buttons on the keypad are printed with numbers 0-9, alphabets A-D and keys * and #. Of course this is just for visual representation. You can assign the keys to represent whatever character or action you like in your code.
The cable has a 8-pin 2.54mm pitch female connector at the end. The 8 pins are from 4 rows and 4 column which you can poll to know the status of each push-button.
Convenient adhesive backing provides an easy way to mount the keypad on most surface.
There are many applications that can use this keypad for example for data entry, security system and gaming.
