automotive 
Teaching Linux to talk to my Prius: reverse-engineering Techstream and the Mini-VCI cable
How a question about one A/C servo turned into a cable firmware teardown, a from-scratch Rust J2534 driver, a decoded dealer diagnostic database, and a first open release. Part one.
rMVCI
A from-scratch Rust J2534 driver for the Toyota Mini-VCI cable, built by reverse-engineering the cable’s firmware, plus open tooling to replace Techstream on Linux.