Kernelcon 2020 Hack-Master Badge
ATmega328P dual-PCB image-reel badge
The Kernelcon 2020 Hack-Master badge was a dual-PCB electronic badge with an ATmega328P-AU, three-AAA power, nine APA102 RGB LEDs, a backlit custom image reel, serial-port game plans, EEPROM mode storage, and ICSP pogo-pin programming.