We can’t get enough of hacker-con badges. BSides Cape Town, held Last December, featured an IR-equipped badge that immersed attendees in a game while they chatted.
A group led by [Andrew MacPherson] and [Mike Davis] designed the badge around an ESP8266 and 128×64 OLED display, with eight buttons, an IR receiver and transmitter, five “level” LEDs, an RGB LED, and a 600 mAh LiPo that charged over USB.
The hardware was designed specifically to play an organic game so that the organizers could watch the interaction between the badges in real time. Each badge was randomly sorted into a faction, …read more
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