Anatomy of the RollJam Wireless Car Hack

rolljam hardware

If you’ve been on the internet lately, you’ve likely seen the storm of news of Samy Kamkar’s device that can intercept and store keyless entry codes for cars and garages. Built for under $50 using a Teensy 3.1 and a couple of radios, the “RollJam” device is said to allow its user... Read more »

This 3D Printer Mod Lets You Carve Metal With Electricity

MM - 3D EDM 1

Take any 3D printer, throw on this modular head, and use it as an EDM machine to do precise metal carving. Exciting stuff! What’s EDM? Electro-Discharge Machining or “spark erosion” is a fairly specialized field that not many hobbyists are familiar with. The technique flips traditional electrical design upside down... Read more »

OpenLab Taipei: Militant Making From Junk


I was lucky enough to visit OpenLab Taipei, one of the earliest Hackerspaces in Taipei. With rooms piled high with salvaged junk just waiting to be transformed into something fantastic, it was in direct opposition to the other organized Makerspaces, fab cafes, and fab labs I saw. It felt intensely disorganized, but extremely... Read more »