1X4 Key Matrix Membrane

Key Features

• 1×4 key layout for easy input
• Flexible and thin membrane design
• Easy to connect with microcontrollers using row/column pins
• Durable keys with tactile feedback
• Ideal for DIY electronics, robotics, and control panels

Technical Specifications

• Key Matrix: 1 row × 4 columns
• Switch Type: Membrane, tactile response
• Operating Voltage: 3.3V – 5V
• Connector: 5-pin header (row and column outputs)
• Dimensions: 60 mm × 20 mm (approx.)
• Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers

Applications

• Custom keypad input for microcontroller projects
• User interface for robotics and automation
• DIY electronic gadgets
• Control panels and small interactive devices
• Educational electronics experiments

Package Includes

• 1 × 1×4 Key Matrix Membrane