![]() ![]() the OBD regulations were put in place by the EPA for monitoring emissions related components, but the systems have evolved to be much more capable. In 1996 a federal law took effect requiring most new consumer vehicles in the US to have standards-based On Board Diagnostics, called OBD-II. we want to control and get info from accessories attached to the more interesting buses. Note: we’re not talking about “pulling codes” or clearing the check engine light, that’s everyday stuff. however, this article is about getting started quickly and cheaply by leveraging a standard ELM327-based OBD-II scan tool (~$25) and your laptop, tablet, phone, Raspberry Pi, etc. depending on your end goal, a microcontroller could be the best approach. ![]() It seems people often approach this concept with an Arduino/NetDuino/PIC/etc, plus a shield or some custom circuitry, and a bit of custom code. or maybe you’d like to make your key fob roll up windows or remote-start. Why hack it? because you can! maybe you want to install your own car-puter that will replace the radio and climate controls. Modern vehicles have internal networks that provide access to nearly every major component and accessory – everything from the transmission to the cd-changer. Software, hardware | Maa complete guide to hacking your vehicle bus on the cheap & easy – part 1 (hardware interface)
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