1×4 Matrix Membrane Keypad 4 Key Switch Module for Microcontrollers is a compact input device designed for embedded electronics and microcontroller based projects. It features four tactile membrane keys arranged in a 1 by 4 matrix layout, allowing efficient user input while using minimal microcontroller pins. The keypad uses a flexible membrane structure with a 5 pin ribbon connector for easy interfacing and adhesive backing for simple panel mounting. Its compact design and reliable switching make it suitable for Arduino projects, access control systems, and custom electronic interfaces.

Features:

1. 1 by 4 matrix keypad layout with 4 tactile keys
2. Flexible membrane switch design
3. 5 pin ribbon cable connector for easy interfacing
4. Requires minimal microcontroller input pins
5. Adhesive backing for panel mounting
6. Compact and lightweight structure
7. Reliable tactile response for user input

Specifications:

• Product Type: Membrane Matrix Keypad
• Key Configuration: 1×4 Matrix
• Total Keys: 4
• Connector Type: 5 Pin Ribbon Connector
• Operating Voltage: 35V
• Operating Current: 100mA
• Dimensions: 70mm x 50mm x 30mm
• Operating Temperature: -20C to 40C
• Mounting Type: Adhesive Back Mount
• Package Type: Individual Pack

Applications:

• Arduino and Raspberry pi microcontroller input interface
• Embedded system control panels
• DIY electronics and robotics projects
• Access control and keypad input systems
• Electronic device user interface panels
• Prototype electronics development

Also Check This Out:-

4×4 Matrix Membrane Keypad 16 Key Switch Module

Arduino UNO EK () R4 WiFi Starter Kit

Raspberry Pi 4 Model B – 4GB RAM

Official Arduino UNO Q

Package Includes:

1 1×4 Matrix Membrane Keypad 4 Key Switch Module for Arduino Microcontroller