--- product_id: 82656175 title: "4X4 Matrix Membrane Keypad" brand: "ktc cons labs" price: "£2.55" currency: GBP in_stock: true reviews_count: 2 category: "Ktc Cons Labs" url: https://www.desertcart.co.uk/products/82656175-4x4-matrix-membrane-keypad store_origin: GB region: United Kingdom --- # 8-pin Dupont connector Wide -20°C to +40°C range 1 million keypress lifespan 4X4 Matrix Membrane Keypad **Brand:** ktc cons labs **Price:** £2.55 **Availability:** ✅ In Stock ## Summary > 🕹️ Command your projects with precision and style! ## Quick Answers - **What is this?** 4X4 Matrix Membrane Keypad by ktc cons labs - **How much does it cost?** £2.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/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 - • **All-Weather Ready:** Operates flawlessly from chilly -20°C to warm 40°C, perfect for any workspace environment. - • **Ultra-Thin, Ultra-Sleek:** Minimalist membrane design that sticks securely with adhesive backing—no bulky hardware here. - • **Compact 4x4 Matrix Layout:** 16 keys in a streamlined format, ideal for embedded systems and rapid data input. - • **Built to Last a Million Presses:** Durability that keeps up with your nonstop innovation and hustle. - • **Seamless Microcontroller Integration:** Plug-and-play 8-pin Dupont interface for effortless coding and prototyping. ## Overview The KTC CONS Labs 4X4 Matrix Membrane Keypad is a compact, ultra-thin numeric keypad featuring a reliable 8-pin Dupont connector and adhesive backing for secure mounting. Designed for embedded systems, it supports a wide operating temperature range (-20°C to +40°C) and boasts a robust lifespan of up to 1 million keypresses, making it a durable and versatile input solution for professional and hobbyist projects alike. ## 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. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/82656175-4x4-matrix-membrane-keypad](https://www.desertcart.co.uk/products/82656175-4x4-matrix-membrane-keypad) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-26*