The project : https://www.printables.com/model/348574-og-star-tracker
vref calculator : https://mak3r.de/2020/04/03/stepper-driver-current-and-vref-calculator/
0:00 Introduction
0:34 Soldering basic tutorial
6:52 Soldering step up modul
16:10 Checking the voltage
17:15 How to set up the vref
19:55 Uploading the firmware
20:57 Instaling the board into the case
22:38 Wiring up the electronics
