4×4 Matrix Keypad High Quality 16-Key Keyboard Module

The 4×4 Matrix Keypad High Quality 16-Key Keyboard Module is a practical interface accessory for electronics, robotics, automation and learning projects. It supports practical wiring, user input, signal expansion, level conversion or module integration in electronics projects. It is selected for makers and engineers who need a dependable module that is easy to integrate, document and test. Important details include Product Type: Electronics interface / accessory, Interface: Matrix row/column digital interface, Keys: 16-key or 20-key matrix layout as listed. Use it with compatible controllers, proper wiring and a suitable power source for stable project performance.