# 4x4 Matrix Membrane Keypad

**Type:** Product page · **SKU:** COM-16038 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/4x4-matrix-membrane-keypad.html ([markdown](https://core-electronics.com.au/4x4-matrix-membrane-keypad.html.md))

## Retired product

This product is retired and no longer available for purchase. Replaced by: FIT0129.

**Replacement:** https://core-electronics.com.au/catalog/product/view/sku/FIT0129

## Description

This slim, 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.

**Features**

- Ultra-thin design & adhesive backing provides easy integration to any project
- Easy communication with any microcontroller
- Cable included
- Maximum Rating: 24 VDC, 30 mA
- Interface: 8-pin access to 4x4 matrix
- Dimensions: Keypad: 2.7 x 3.0 in (6.9 x 7.6 cm) Cable: 0.78 x 3.5 in (2.0 x 8.8 cm)
- Operating temp range: 32 to 122 °F (0 to 50 °C)

**Documents**

- [Datasheet](https://cdn.sparkfun.com/assets/f/f/a/5/0/DS-16038.pdf)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/1/6/16038_-_4x4_matrix_membrane_keypad_copy.jpg)