ShillehTek 4x4 membrane matrix keypad with 16 colorful keys and ribbon cable

4x4 Membrane Matrix Keypad 16-Key Switch Module for Arduino & Raspberry Pi

$4.99 USD Shipping & tax calculated at checkout
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Ultra-thin 4x4 membrane keypad with 16 soft-touch keys and adhesive backing — ideal for password systems and menu navigation on Arduino, Raspberry Pi, and other microcontroller projects.

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Overview

Product Overview

Compact and practical, this 4x4 membrane matrix keypad brings a slim, professional input surface to your projects. The module features 16 soft-touch buttons in a standard matrix layout providing a full alphanumeric range (0-9, A-D, *, #), making it ideal for password panels, menu navigation, calculator builds and robotics controls. With an adhesive backing and ultra-thin membrane design you can mount it on any flat surface or enclosure, and a standard 8-pin female header (2.54 mm pitch) offers a plug-and-play interface for breadboards and jumper wires without soldering. The sealed surface resists dust and light moisture and the switches are built to withstand thousands of presses, delivering reliable input for Arduino, Raspberry Pi and other microcontroller applications.

Questions & answers

Frequently asked questions

Yes. This keypad is suitable for Arduino, Raspberry Pi, and other microcontroller projects that can scan a 4x4 matrix keypad using digital input pins or a compatible keypad library.
No soldering is required for typical prototyping. The keypad includes a standard 8-pin female header with 2.54 mm pitch, so it can connect to breadboards or jumper wires directly.
It uses a passive 4x4 matrix switch interface with 8 connections: rows and columns. Your controller detects key presses by scanning the matrix, so it does not use I2C, SPI, or UART by itself.
It is commonly used for password entry panels, menu navigation, calculators, robotics controls, and other projects needing a compact 16-button input surface with digits, A-D, star, and pound keys.
The ultra-thin membrane has adhesive backing for mounting on a flat surface or enclosure. Its sealed surface helps resist dust and light moisture, but it is not specified as waterproof for outdoor exposure.

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What's included

Features & Specs

4x4 Matrix Layout Provides 16 soft-touch keys in a standard matrix for full alphanumeric input.

Ultra-Thin Profile Slim membrane design with adhesive backing for easy mounting on flat panels.

8-Pin Plug-and-Play Standard 2.54mm female header connects directly to breadboards and jumper wires.

Microcontroller Compatible Works with Arduino, Raspberry Pi, and other microcontrollers for rapid prototyping.

Durable Sealed Surface Sealed membrane resists dust and light moisture for reliable long-term use.

Ideal for Security Inputs Supports numeric and A-D keypad entries for password systems and access control.

Reference

Documents

Full Product Manual ShillehTek 4x4 Membrane Matrix Keypad 16 Key Switch Module for Arduino DIY | ShillehTek Product Manual In-depth setup guide with wiring, code examples, and troubleshooting.

Datasheet

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