---
product_id: 82656175
title: "4X4 Matrix Membrane Keypad"
brand: "ktc cons labs"
price: "€ 4.31"
currency: EUR
in_stock: true
reviews_count: 2
category: "Ktc Cons Labs"
url: https://www.desertcart.at/products/82656175-4x4-matrix-membrane-keypad
store_origin: AT
region: Austria
---

# 1 million closures lifespan Dupont 8-pin connector -20 to +40°C operation 4X4 Matrix Membrane Keypad

**Brand:** ktc cons labs
**Price:** € 4.31
**Availability:** ✅ In Stock

## Summary

> 🔑 Unlock Innovation with Every Press!

## Quick Answers

- **What is this?** 4X4 Matrix Membrane Keypad by ktc cons labs
- **How much does it cost?** € 4.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/82656175-4x4-matrix-membrane-keypad)

## Best For

- ktc cons labs enthusiasts

## Why This Product

- Trusted ktc cons labs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ultra-Thin Design:** Sleek and space-saving for modern applications.
- • **Long Life Expectancy:** Built to last—1 million presses and counting!
- • **Easy Adhesive Backing:** Stick it and forget it—no fuss installation!
- • **Robust Temperature Range:** Reliable performance in diverse environments.
- • **Versatile Microcontroller Interface:** Seamlessly integrates with your tech stack.

## Overview

The Ktc Cons Labs 4X4 Matrix Membrane Keypad is a high-performance input device featuring a Dupont 8-pin connector, designed for easy integration with microcontrollers. With an ultra-thin profile, adhesive backing for secure mounting, and a robust operational temperature range of -20 to +40 degrees Celsius, this keypad is built for durability with a life expectancy of 1 million closures.

## Description

Ktc Cons Labs 4X4 Matrix Membrane Keypad. 4X4 Numeric Keypads Are Most Widely Used In Numerous Mini Project Which Requires The User Or The Operator To Give Command To The System Or To Feed In Some Data Into The Embedded System. Connector: Dupont 8 Pins, 0.1 Inch (2.54Mm) Pitch Peel Off The White Sticker On The Back Of The Keyboard, Can Be Securely Affixed To The Surface Of The Chassis Operation Temperature: -20 To +40 Degree Celsius Life Expectancy: 1 Million Closures Ultra-Thin Design Adhesive Backing Easy Interface To Any Microcontroller Interface: 8-Pin Access To 4X4/4X4 Matrix

Review: Good quality and works good. - Connected with raspberry pi and I was able to detect the keypresses perfectly.
Review: Bad product. - Was not working. Had to return.

## Features

- Connector: Dupont 8 pins, 0.1 inch (2.54mm) pitch
- Peel off the white sticker on the back of the keyboard, can be securely affixed to the surface of the chassis
- Operation Temperature: -20 to +40 degree Celsius Life Expectancy: 1 million closures
- Ultra-thin design Adhesive backing Easy interface to any microcontroller
- Interface: 8-pin access to 4x4/4x4 matrix

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B072N8C5TL |
| Best Sellers Rank | #56,144 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #63 in Numeric Key Pads |
| Brand | KTC CONS Labs |
| Brand Name | KTC CONS Labs |
| Colour | Multicolored |
| Compatible Devices | Embedded System, Laptop, PC |
| Connectivity Technology | interface |
| Customer Reviews | 3.6 out of 5 stars 3 Reviews |
| Enclosure Material | PLASTIC RUBBER COPPER |
| Hand Orientation | Ambidextrous |
| Keyboard Description | Membrane |
| Keyboard Layout | QWERTY |
| Manufacturer | MULTI |
| Model Number | MBRN |
| Number of Keys | 16 |
| Power Source | ac |
| Product Features | Ultra-thin design Adhesive backing Easy interface to any microcontroller Interface: 8-pin access to 4x4/4x4 matrix Operating temperature: 0 to 50°C |
| Special Feature | Ultra-thin design Adhesive backing Easy interface to any microcontroller Interface: 8-pin access to 4x4/4x4 matrix Operating temperature: 0 to 50°C Special Feature Ultra-thin design Adhesive backing Easy interface to any microcontroller Interface: 8-pin access to 4x4/4x4 matrix Operating temperature: 0 to 50°C See more |
| Style Name | Modern |
| Switch Type | Membrane |

## Images

![4X4 Matrix Membrane Keypad - Image 1](https://m.media-amazon.com/images/I/61lNgvCc05L.jpg)
![4X4 Matrix Membrane Keypad - Image 2](https://m.media-amazon.com/images/I/71Tth7fDGSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Good quality and works good.
*by N***L on 2 November 2018*

Connected with raspberry pi and I was able to detect the keypresses perfectly.

### ⭐ Bad product.
*by R***L on 17 September 2018*

Was not working. Had to return.

---

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---

*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-05-09*