This 3x4 & 4x4 matrix membrane keypad is designed for seamless integration with Arduino and other microcontrollers, providing a compact and reliable user interface for various applications. Featuring 12 or 16 tactile keys, it enables efficient data entry, password protection, and menu navigation in embedded systems. The flexible membrane design ensures durability and easy installation with an adhesive backing.

Key Features

• 12- and 16-button matrix layout (3x4 & 4x4 configurations)
• Compatible with Arduino, Raspberry Pi, and microcontrollers
• Flexible, thin, and lightweight design for easy integration
• Adhesive backing for secure mounting
• Durable and wear-resistant membrane construction
• 8-pin ribbon cable with a standard connector for easy interfacing

Technical Specifications

• Layout: 3x4 or 4x4 matrix keypad
• Number of Keys: 12 or 16
• Connection Type: 8-pin ribbon cable
• Operating Voltage: 3V – 5V
• Material: PET & conductive ink
• Adhesive Backing: Yes
• Dimensions: Approx. 70mm x 77mm (varies by layout)
• Key Press Life: >1 million operations