4×4 Matrix Keypad Membrane Switch for Arduino
Original price was: ₹99.00.₹49.00Current price is: ₹49.00.
Features:
- 16 buttons in a 4×4 matrix layout for alphanumeric or numeric input.
- 8-pin interface using 4 rows + 4 columns — minimal microcontroller I/O usage.
- Compatible with Arduino, Raspberry Pi, ESP32 and more — easy to read with libraries like Keypad.
- Thin, flexible membrane design with adhesive backing for easy mounting.
- Durable with millions of presses life-span for reliable long-term use.
- Ideal for password systems, menus, control panels & DIY projects.
Only 2 left in stock
4×4 Matrix Keypad Membrane Switch for Arduino
The 4×4 Matrix Keypad Membrane Switch is a versatile 16-button input module for Arduino and other microcontroller projects. With a matrix layout, you only need 8 digital pins (4 rows + 4 columns) to scan all the keys, saving valuable GPIO resources.
Crafted with a thin and flexible membrane design and adhesive backing, it mounts easily on project panels, enclosures, or control interfaces. The tactile keys are responsive with a long operational life, ideal for DIY electronics, security panels, calculators, robotics, menu navigation, or data entry tasks.
Includes simple wiring and Arduino library support, making integration into your embedded system fast and straightforward. Compatible with Arduino Uno, Nano, Mega, ESP32, Raspberry Pi (GPIO scanning libraries).
Features:
- 16 buttons in a 4×4 matrix layout for alphanumeric or numeric input.
- 8-pin interface using 4 rows + 4 columns — minimal microcontroller I/O usage.
- Compatible with Arduino, Raspberry Pi, ESP32 and more — easy to read with libraries like Keypad.
- Thin, flexible membrane design with adhesive backing for easy mounting.
- Durable with millions of presses life-span for reliable long-term use.
- Ideal for password systems, menus, control panels & DIY projects.
Applications:
- Arduino and microcontroller input projects
- Password-based door lock systems
- Access control and security panels
- Calculator and numeric input projects
- Menu navigation and user interface systems
- Robotics control panels
- Home automation systems
- Industrial control panels
- Embedded system user interfaces
- DIY electronics and IoT projects
| Weight | 20 g |
|---|
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