Have you ever been to a security conference where you received an electronic badge? This presentation gives an inside look into the process of creating an electronic badge for a security conference of 400 attendees and the lessons learned. Details will be presented on PCB design, PCB fabrication, custom silkscreen images, assembly, wireless communication, hardware testing, firmware development, soldering parties, DJs and CTF challenge integration. If you're interested in custom hardware development, attacking hardware, creating your own conference badge or badge life in general, this presentation is for you.