Two ways to use an LED as a light sensor with Arduino(blog.jgc.org)134 points by jgrahamc 2 years ago | 61 comments
Breathing life back into a Minitel 1B with the Minimit(blog.jgc.org)78 points by rcarmo 3 years ago | 16 comments
Pimping my Casio with Oddly Specific Objects' alternate motherboard and firmware(blog.jgc.org)10 points by thunderbong 1 year ago | 1 comments
My primality testing code is faster than Sir Roger Penrose's(blog.jgc.org)109 points by jgrahamc 2 years ago | 24 comments