BSides Puerto Rico 2019 DIY Badge
ATtiny13A solder-and-program participant badge
BSides Puerto Rico 2019's badge is preserved as a DIY participant kit: an easy-through-hole electronic badge built around an ATtiny13A, two red/blue LEDs, two 680 ohm resistors, a slide switch, CR2032 power, public Gerbers, KiCad files, Arduino sample code, and real assembled-badge photos.