🔢 1×4 Matrix Membrane Keypad Module – 4 Button | AuscomTech

This 1×4 membrane keypad module provides a simple and reliable input interface for Arduino, microcontrollers, and embedded electronics projects.

The keypad uses a matrix switch design, allowing four buttons to be read using only a few microcontroller pins. Its thin membrane construction and adhesive backing make it easy to mount onto project enclosures or control panels.

With a flexible FPC ribbon cable and standard 2.54mm connector, the keypad can be easily connected to development boards such as Arduino, ESP32, Raspberry Pi, and other microcontroller platforms.

This compact keypad is ideal for adding user input controls, menu navigation, or numeric selection to DIY electronics projects.

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⭐ Key Features

🔢 1×4 Button Matrix Keypad
Provides four independent push buttons in a compact keypad format.

🧩 Matrix Interface Design
Allows efficient connection to microcontrollers using minimal input pins.

📏 Compact and Lightweight
Slim membrane design suitable for embedded systems and control panels.

🔌 Flexible Ribbon Cable with 2.54mm Connector
Compatible with standard Dupont jumper wires and breadboards.

🧷 Adhesive Backing
Easy mounting to project enclosures or control surfaces.

🧪 Ideal for DIY Electronics
Perfect for Arduino, ESP32, Raspberry Pi, and other microcontroller projects.

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📊 Technical Specifications

Keypad Type: Membrane matrix keypad

Key Configuration: 1 × 4 buttons

Interface: Matrix switch

Connector: 2.54mm pitch header

Pad Size: approx. 69.2 × 20.2 mm

Total Length: approx. 107 mm

Mounting Type: Self-adhesive backing

Cable Type: Flexible FPC ribbon cable

Application: Microcontroller input interface

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🧩 Typical Applications

• Arduino user interface panels
• ESP32 projects
• DIY control panels
• Home automation systems
• Menu navigation controls
• Embedded electronics projects
• Security systems and keypad input

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⚠️ Important Notes

• This listing is for a 1×4 keypad (4 buttons).
• Designed for low voltage electronics projects.
• Not suitable for switching high current loads directly.

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📦 Package Includes

• 1 × 1×4 Membrane Matrix Keypad Module