THOTCON 0x5 Badge Revealed

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THOTCON  is the annual, small venue, hacking conference based in Chicago IL, USA. THOTCON is a non-profit, non-commercial event looking to provide the best conference possible on a very limited budget.

For the past 2 years Workshop 88 has been honored to design and produce the electronic attendee badges for the conference as a service to the local community.  The badge crew this year consisted of: Paul Reich, Bill Paulson, Karl Knutson, Zach Cassity, Russell Lankenau, and Rudy Ristich

This year’s badge was inspired by portable gaming systems from the past and featured  102 x 64 pixel graphic LCD screen and a push button interface. Once again, the badge features an Atmel AVR based microcontroller. The badge used nearly every byte of the 32k available SRAM on its Atmega32u4 chip.  The software consisted of a Break-out style game which participants could play to passtime, a complete schedule of talks and labs for the day long conference,  and the ability to patch into arcade panels hosted in the Hacker Village, and a few surprises for discovering inside.

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Just like the THOTCON 0x4 Badge, the 0x5 Badge is compatible with the Arduino open hardware programming environment and can accept standard Arduino shields. This means the badge can be easily reused and repurposed to power any sort of project. An improvement from last year’s badge is that no additional parts need to be added; conference goers can simply plug the badge into their laptop once burning a bootloader to reprogram it, encouraging easier exploration and badge hacking.


The badge is designed to be completely open hardware and software.  Workshop 88 would like to thank the open source hardware and software community especially: Arduino, Oliver Kraus and other contributors to the U8glib graphics library, Dean Camera for the LUFA Project, and last, but far from least: Twisted Traces, our local assembly partner in Elk Grove, IL.

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Workshop 88 will be holding a badge hacking contest throughout the month of May.  Judging will consist of a panel from Workshop 88 and the THOTCON crew.  Interested contestants can register on the badge website:

Full details on the badge specifications and firmware will be released on May 1st in conjunction with the opening of the badge hacking contest.

77 thoughts on “THOTCON 0x5 Badge Revealed

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