This is the electronic badge distributed at 0x0G, Google's annual event at DEF CON/Black Hat. This badge features a PIC microcontroller driving a ring of LEDs with communication over infrared.
Included are circuit design files and firmware source. Both are licensed under the Apache 2 license.
This is not an officially supported Google product. This is a one-time release, do not expect updates even if it turns out we have bugs.
If you have any questions about the badge, feel free to contact one of the creators: