12 Key - 4x3 Matrix - Membrane Type Keypad

12 Key 4x3 Matrix Membrane Keypad for Microcontroller Projects

The 12 Key 4x3 Matrix Membrane Keypad is an essential component for any electronics project requiring user input. This compact and flexible switch array provides a reliable interface for data entry and control. Its 4x3 matrix configuration offers 12 distinct keys, perfect for numerical input, menu navigation, or custom commands. Designed for seamless integration with microcontrollers like Arduino, Raspberry Pi, and ESP32, it simplifies complex wiring. The keypad features a durable membrane construction, ensuring long-lasting performance in various environments. With an adhesive backing, mounting is quick and secure, making it ideal for prototypes and finished products. Enhance your DIY electronics, robotics, or embedded systems with this versatile input device. It's a cost-effective solution for creating custom user interfaces.

Specifications:

• Keypad Type: Membrane
• Matrix Configuration: 4x3
• Number of Keys: 12
• Connector: 7-pin (0.1" pitch)
• Mounting Method: Self-adhesive backing
• Operating Temperature: 0°C to +60°C
• Humidity Tolerance: 90-95% RH at 40°C for 240 hours
• Flexible Circuit Length: Approx. 83 mm (3.3 inches)
• Insulation Resistance: >100 MΩ (100V)
• Contact Resistance: <100 Ω
• Key Life: >1 Million actuations

Key features and benefits:

• 12-key (4x3 matrix) configuration for versatile input
• Durable membrane construction ensures long-term reliability
• Standard 7-pin connector for straightforward microcontroller integration
• Self-adhesive backing allows for quick and secure mounting
• Flexible circuit design for adaptable placement in projects
• Wide operating temperature range (0 to +60°C) for diverse environments
• High humidity tolerance (90-95% at 40°C) for robust performance
• Slim profile and lightweight design for compact applications

Applications:

• Microcontroller-based projects (Arduino, Raspberry Pi, ESP32)
• Custom control panels and user interfaces
• Robotics and automation systems
• Access control and security systems
• DIY calculators and data entry devices
• Embedded systems requiring numerical or command input

Package Includes:

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