Description
3×4 Keypad – Compact Matrix Keypad for Easy Input in Electronics Projects
Key Features:
- 12 Keys (3×4 Matrix Layout): The keypad offers 12 buttons, arranged in a 3-row by 4-column layout, giving you easy access to numbers 0-9, as well as additional keys like
*and#. This layout is perfect for numeric input or basic functional controls in a wide range of projects. - Durable and Reliable Design: Built from high-quality plastic and rubber materials, the keypad is designed to withstand repeated use. Its long-lasting construction ensures reliable performance, even in continuous operation.
- Easy Integration: The keypad operates using a simple matrix wiring system, making it easy to connect to microcontrollers such as Arduino, Raspberry Pi, and other development boards. With only 7 pins required for connection, it minimizes the number of I/O pins used in your project.
- Compact and Lightweight: With its small footprint, the 3×4 keypad is ideal for space-limited projects where a compact input device is needed. It’s lightweight and can be easily integrated into enclosures, panels, or embedded systems.
- Wide Range of Applications: Perfect for projects such as access control systems, alarm systems, security keypads, calculators, vending machines, and user interfaces for microcontroller-based projects.
- Tactile Feedback: Each key provides a satisfying tactile response when pressed, ensuring that the user knows the input has been registered. This enhances the user experience, especially in systems where input confirmation is critical.
Technical Specifications:
- Keypad Layout: 3 rows x 4 columns (12 keys: 0-9,
*,#) - Connection Type: 7-pin interface (row/column matrix)
- Operating Voltage: 3.3V – 5V DC
- Current Rating: Low power consumption, typically < 10mA
- Dimensions: Compact design (commonly 70mm x 50mm, varies by model)
- Key Material: Plastic buttons with rubber backing for durability
- Mounting: Can be mounted on panels or used as a handheld device
- Weight: Lightweight for easy integration
Package Contents:
- 1 x 3×4 Keypad
- 1 x 7-Pin Connector Cable (inbuild in some models)
Get your 3×4 Keypad today for easy, reliable input in your next security system, DIY electronics project, or user interface! Perfect for applications requiring numeric input or basic functional controls.
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