Following on from the proven DIY CAN adapter, this article follows the addition of function by creating a dual CAN PCB design to use as a CAN in the middle (CITM) device.
Diagnostics
Modern vehicles are little more than a cluster of electronic control units bolted to a set of wheels. And what do they all need, diagnostics! Here you’ll find the articles archives relating to all manner of diagnostics, old, new, and homebrew.
I can’t afford to use industry-standard CAN bus hardware, but can I make my own DIY CAN Bus Adapter with simple components?
Back in the late 80’s the Peugeot TEP92 on-board diagnostic device arrived. While not too powerful it was well engineered and very useful.
Using a diagnostic tool puts a big load on the car battery. To avoid damage you should use a battery support unit. But what is it, and why is it needed?
Land Rovers of a certain age eventually cry out for a diagnostic session. With dealer diagnostic sessions costing as much