A microcontroller-compatible 16-button keypad module. It has 8 output pins to connect to a microcontroller (Arduino, for example). The buttons are setup in a 4x4 matrix to allow the connected microcontroller to scan the output pins to determine which of the 16 buttons is being pressed.
- Contact resistance: 10Ω ~ 500Ω
- Operating Current: 100mA
- Operating Voltage: 35V
- Rebound time 1 (ms)
- Touch feeling: 170 ~ 397g (6 ~ 14oz)