4x4 Matrix 16 Keyboard Module
This matrix keypad is great for when you need quite a bit of buttons on your Arduino project. What makes this great is the fact that the 16 buttons are all read from only 8 digital pins.
Matrix Keypad Specs:
- Power: 3.2 - 5V input
- Buttons: 16 Buttons
- Can easily be interfaced with microcontrollers such as an Arduino Uno or ESP32