Matrix Membrane Keypad Switch: 1/3/4/5 Keys for Microcontroller Expansion

Enhance your microcontroller projects with this versatile membrane keypad switch, available in configurations of 1, 3, 4, or 5 keys. Designed for seamless integration, it features a durable, low-profile design and reliable tactile response. The keypad is easy to connect, making it an excellent choice for custom user interfaces, prototype development, or expanding existing systems. Its compact form factor allows for convenient installation in a variety of applications, providing a user-friendly control solution for hobbyists and professionals alike.