PRO TIP Block youtube.com at the DNS level — Pi-hole, NextDNS or your hosts file — but allow youtube-nocookie.com and i.ytimg.com. These tutorials keep playing; the rabbit hole does not.

GamePad Quest | DIY Video Game | KiCad Build Part 4

HTM Workshop 18 tutorials here

Electronics

you can get the BOM list here
https://github.com/HTM-Workshop/Gamepad/raw/refs/heads/main/parts/Cart_Oct20_1225PM.xls

There are a few things such as the screen and the arduino which would best be purchased separately. Just make sure the screen pinout is correct.