Hackaday Belgrade 2016 Badge
PIC badge with LED matrix, IR, and open firmware
A slim open-hardware conference badge designed around a red 8x16 LED matrix, PIC18LF25K50, IR send/receive, USB bootloader, tactile controls, and attendee-written demos.
Tag dossier
Demoscene
Badge records tagged with Demoscene, across Serbia.
Hackaday Belgrade 2018 Badge
Retro-computing BASIC and CP/M badge
A battery-powered retro-computing badge with 55-key keyboard, 320x240 RGB TFT LCD, PIC32MX370F512H, external flash, speaker, BASIC interpreter, CP/M/Z80 emulation, and expansion-header hacking.