Hi guys.
For those who like 7-segment led displays, here is easy to use booster pack with digits!
It has driver ic to control display and read buttons using I2C.
Also is can be topped up with on board EEPROM, TMP102 sensor, Seiko RTC Crystal and 3.3V regulator.
And this booster pack can be used standalone also.
If you like it and want to get one, please support at Tindie.com
Pictures are from prototype.