products
/
4-Digit 7-Segment Display I2C Interface
Product Description
4-digit 7 Segment Display with I2C interface.
Adjustable brightness level
5V and 3.3V compatible
Links:
https://forum.arduino.cc/index.php?action=dlattach;topic=271238.0;attach=98948
http://playground.arduino.cc/Main/TM1637
https://github.com/avishorp/TM1637