Hey, long time no see GBATemp !
I'm trying to read the Wii U Gamepad firmware in the 25Q256A chip to be able to fix it.
Here is my setup so far :
Wiring schema : https://framapic.org/bEPoHNhKSMmz/U4Cqt66VTM6k.png
Setup : https://framapic.org/dPohf1hGTNja/lajhXgrdC3In.jpg
I'm using frser-duino...