In this video, we learn how to use the HT16K33 I2C 4-digit seven-segment display with Arduino. This is an ultimate seven-segment display. The library is written by Rob Tillaart and posted on GitHub.
HT16K33: full view
![Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Blue [ADA881]](https://m.media-amazon.com/images/I/51ZxCoiTmFL._SL75_.jpg)
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