Tells you what time it approximately is without the need to look at a blinding screen at night.
The Arduino code is fully functional and can be run on a D1 Mini ESP8266 chip with some periphery
attached like in this wiring diagram:
Make sure to keep the D8 pin on the D1 Mini flexibly disconnectable as it needs to be disconnected when uploading updated code. Before uploading the code, update your WIFI info.