16 Keys (4x4) 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.

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