Seven Segment LED Display Module – 4 Digit
- Simple 4 wire serial interface.
- 4 Digits for perfect timer based applications
- Can be used as counters as well as timers.
- 4 M2 screws positioning holes for easy installation.
- This display module uses I2c interface.
- Set either the whole display or any digit independently
- Control the brightness
- VCC ? Power Supply
- GND ? Ground
- CLK ? Clock ? connect to any digital pin on the Arduino
- DIO ? Data I/O ? connect to any digital pin on the Arduino