I made a cell phone [video]
I gave this talk. Slides are here: https://keminglabs.com/talks/#bangbangcon2015I'll post some photos of the current version and more details on my twitter (@lynaghk) tomorrow (in 10 hours).Software is all on an 8-bit Atmel microcontroller, written in C in the style of Harel Statecharts (http://www.inf.ed.ac.uk/teaching/courses/seoc/2005_2006/reso...).