# 4x3 Membrane Matrix Keypad

**Type:** Product page · **SKU:** CE09242 · **Brand:** [Core Electronics](https://core-electronics.com.au/brands/core-electronics-australia)
**Page:** https://core-electronics.com.au/4x3-membrane-matrix-keypad.html ([markdown](https://core-electronics.com.au/4x3-membrane-matrix-keypad.html.md))

Access granted - Add a low-profile keypad to your projects.

## Pricing

- **Price:** $1.10 (inc GST) — $1.00 AUD, exc GST
- **Quantity discounts:** 10+ $0.90 (exc GST) · 50+ $0.85 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 25 today; more stock is typically available with a 8–12 day lead time.

## Description

This keypad has 12 buttons - 0 to 9, Number (or Hash) and star (or asterisk).

To reduce the number of pins being used they are connected via a matrix, check out [the Arduino Keypad library](https://www.arduino.cc/reference/en/libraries/keypad/) for examples and code.

Easily attach the keypad to just about anything with the adhesive backing, just peel back the protective paper and stick), the flexible cable allows for your microcontroller to be tucked away.

### Specifications

- Keypad Size: 77 x 68 x 2mm
- Cable size: 85mm long x 22mm wide
- Connector: 2.54mm - 7 pin

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/C/E/CE09242-1.jpg)