The Plastic Keyboard 4x4 is a compact, matrix-style keypad featuring 16 individual keys arranged in a 4x4 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 4x4 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.)
- Number of Keys: 16
- Matrix Size: 4x4
- 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
- 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
- Connect the keypad to a microcontroller or other digital input device using the 8-pin connector.
- Configure the microcontroller’s software to read the matrix layout of the keypad.
- Assign functions or commands to each key as required for your application.
- Integrate the keypad into your project enclosure, ensuring the keys are accessible to users.
- Handle the keypad carefully to avoid damaging the keys or connector pins.
- Ensure proper wiring to avoid short circuits or incorrect readings.
- Use pull-up or pull-down resistors if required by your microcontroller.