Intended for in-vehicle diagnostics, the DAWN (DataAcquisition With Networks) miniature data logger from HEM Data is so compactthat it fits within the mating J1962 OBD (On-Board Diagnostics) connector ...

We’ve gone over the basics of CAN and looked into how CAN databases work. Now we will look at a few protocols that are commonly used over CAN. In the last article we looked at CAN databases, where ...

HEM Data displayed a family of data loggers at the recent Work Truck Show. The DAWN Mini Logger family contains compact, low-cost, data loggers to acquire OBD & CAN bus data from cars and trucks. GPS ...

I'm converting a classic Mini to electric and as a way to save a few thousand bucks, I'm hoping to build a box that can adapt the Nissan Leaf parts to a "normal" system of 12v switches. Specifically ...