3PCS/LOT 4*3 Matrix Array 12 Key Membrane Switch Keypad Keyboard/ 3*4 Control Panel Microprocessor Keyboard for Arduino AVR

This three-pack of 4x3 matrix array membrane keypads provides a slim, space-saving interface solution for your microcontroller projects. Ideal for students, makers, and developers working with Arduino, AVR, or other microprocessors, these keypads offer 12 tactile keys in a compact format. They are perfect for building security systems, data entry interfaces, or custom control panels.

Three-pack for multiple projects

This bundle includes three 4x3 matrix membrane switch keypads, allowing you to equip multiple prototypes or keep spares on hand for your builds.

Compact matrix layout

The 12-key layout is arranged in a 4x3 grid, offering a space-efficient way to input numbers and commands without occupying excessive GPIO pins.

Membrane switch technology

Featuring a flat, low-profile design, these membrane keypads are easy to mount onto flat surfaces and enclosures. The flexible cable simplifies connection to your development board.

Microprocessor compatibility

These control panels are fully compatible with Arduino, AVR, and other popular microprocessors. They provide an affordable and reliable user-input interface for diverse electronics projects.