16 Keys (4×4) Matrix Keyboard Module

The 16 Keys (4×4) Matrix Keyboard Module is a compact, matrix-style keypad featuring 16 individual keys arranged in a 4×4 grid. This keypad is designed for use in various electronic projects and applications, including access control systems, password input, and menu navigation. Its durable plastic construction ensures long-lasting performance, while its simple interface makes it easy to integrate with microcontrollers and other digital circuits.

Key Features:

• 16 keys arranged in a 4×4 matrix layout
• Durable plastic construction
• Simple interface for easy integration with microcontrollers
• Low-profile design
• Key legends: numbers 0-9, A-D, *, #
• Compatible with various programming platforms (Arduino, Raspberry Pi, etc.)

Technical Specifications:

• Number of Keys: 16
• Matrix Size: 4×4
• Material: Plastic
• Key Legends: 0-9, A-D, *, #
• Dimensions: Approximately 70mm x 77mm x 10mm
• Weight: Approximately 20 grams
• Connector Type: 8-pin (4 rows, 4 columns)
• Operating Voltage: 3.3V to 5V (depends on the connected microcontroller)
• Current Rating: Typically less than 20mA

Applications:

• Access control systems (e.g., PIN entry for security systems)
• User interface for embedded systems
• Menu navigation for various electronic devices
• DIY electronics projects
• Robotics control panels

Usage:

1. Connect the keypad to a microcontroller or other digital input device using the 8-pin connector.
2. Configure the microcontroller’s software to read the matrix layout of the keypad.
3. Assign functions or commands to each key as required for your application.
4. Integrate the keypad into your project enclosure, ensuring the keys are accessible to users.