Description:
The 1×4 4-Key Membrane Matrix Keypad is a compact and durable input device designed for seamless integration with microcontroller projects. Featuring four tactile keys arranged in a single row, this keypad provides an intuitive interface for applications such as security systems, menu navigation, and data entry. Its ultra-thin membrane design, coupled with an adhesive backing, allows for easy mounting on various surfaces, enhancing versatility in design.
Operating on a matrix configuration, the keypad requires minimal microcontroller pins, optimizing I/O resource utilization. It comes equipped with a 5-pin, 2.54mm pitch connector, ensuring straightforward connectivity with development platforms like Arduino, AVR, and Raspberry Pi. Built to withstand over 1 million keystrokes per key, the 1×4 Membrane Matrix Keypad offers a reliable and efficient solution for diverse electronic projects.
Specifications:
- Keypad Layout: 1×4 matrix (4 keys)
- Operating Voltage: Up to 35V DC
- Current Rating: 100mA
- Contact Resistance: 10Ω to 500Ω
- Insulation Resistance: ≥100MΩ
- Dielectric Strength: 250VRms (50~60Hz 1min)
- Key Operating Force: 150 to 200g
- Rebound Time: ≤5ms
- Life Expectancy: >1,000,000 keystrokes per key
- Connector Type: 5-pin, 2.54mm pitch female header
- Keypad Dimensions: 69.14mm x 20.07mm x 1mm
- Cable Length: 87.31mm
- Operating Temperature: -20°C to 70°C
- Storage Temperature: -40°C to 85°C
Features:
- Four-button keypad arranged in a 1×4 matrix for efficient input
- Ultra-thin membrane construction with adhesive backing for easy installation
- Requires minimal microcontroller pins, optimizing I/O usage
- Compatible with Arduino, AVR, Raspberry Pi, and other microcontroller platforms
- Durable design with a lifespan exceeding 1 million keystrokes per key
Contents:
- 1 x 1×4 4-Key Membrane Matrix Keypad
