Description
Description
The 16 Key Matrix Keypad Module is a compact input device designed for microcontroller-based systems such as Arduino and embedded platforms. It features a 4×4 matrix configuration with 16 tactile keys, enabling efficient input detection using only 8 I/O pins. The module operates with low contact resistance and fast response time, ensuring reliable signal transmission and consistent performance. Built for durability and ease of integration, it supports stable operation across various voltage levels. Ideal for access control systems, user interfaces, and embedded control applications.
Features
- 4×4 matrix keypad configuration with 16 input keys
- 8-pin interface for efficient microcontroller connection
- Membrane-type tactile button design
- Low contact resistance range 10 to 500
- Fast response with 1 ms rebound time
- Operating voltage up to 35V DC
- Maximum operating current 100mA
- Lightweight and compact form factor
- Flexible membrane for extended lifespan
- Easy integration with Arduino and embedded systems
- Reduced I/O pin usage via matrix scanning
- Durable printed circuit membrane structure
- Suitable for low-power applications
- Stable electrical performance under repeated use
Specifications
- Number of Keys: 16 (4×4 matrix)
- Interface Pins: 8 pins
- Operating Voltage: Up to 35V DC
- Operating Current: 100mA
- Contact Resistance: 10 to 500
- Rebound Time: 1 ms
- Touch Force: 170g to 397g
- Key Type: Membrane tactile switches
- Matrix Configuration: 4 rows x 4 columns
- Connection Type: Ribbon cable or header pins
- Material: Flexible membrane with printed circuit
- Dimensions: Approx. 70 77 1 mm
- Weight: Approx. 10 g
- Compatibility: Arduino, Raspberry Pi, microcontrollers
Links
- 16 Key Matrix Keypad Module 3D Model
- 16 Key Matrix Keypad Module Datasheet
Tutorial
- 4×4 MATRIX KEYPAD / MEMBRANE KEYBOARD – Arduino tutorial #26
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