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4×4 Matrix Keypad

35,00 EGP

In stock

Ultra-thin design & adhesive backing provides easy integration to any project
Excellent price-performance ratio
Easy communication with any microcontroller
5 pins 2.54mm pitch connector, 4x 4type 16 keys.
Sticker can peel off for adhesive mounting.
Operating Voltage (V): 12 DC

In stock

Estimated delivery dates: July 27, 2025 – July 30, 2025

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Shipping & Delivery

Local pickup

Receipt from the place on the same day or shipping to nearby places

On the same day

6PM - 10 PM

Shipping company

Delivery through a fast shipping company intermediary

1-3 Days

Description

4×4 Matrix Keypad – 16 Button Membrane Switch for Microcontrollers

The 4×4 Matrix Keypad is a compact, lightweight, and easy-to-use 16-key input device that’s perfect for user interface projects involving microcontrollers such as Arduino, ESP32, Raspberry Pi, and PIC.

This keypad uses a matrix of rows and columns to detect key presses with just 8 GPIO pins, making it highly efficient for embedded systems, password input, menu navigation, robotics, and other digital electronics applications.

It features a flexible membrane design with an adhesive backing for easy mounting on most surfaces.

✅ Key Features

16 keys arranged in a 4×4 matrix layout
Simple interface with 8-pin header (4 rows × 4 columns)
Ultra-thin membrane switch with adhesive back
Long lifespan with reliable tactile feedback
Compatible with Arduino, Raspberry Pi, STM32, etc.

⚙️ Specifications

Parameter	Value
Number of Keys	16 (0–9, A–D, *, #)
Layout	4 Rows × 4 Columns
Operating Voltage	3V to 5V
Connector	8-pin male header
Dimensions	~70mm × 77mm
Cable Length	~85mm
Mounting	Adhesive backing
Type	Membrane Switch