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 ...

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When I decided to build a multi-rotor, I knew I that I wanted to track its flight path, as I would be flying several hundred yards once I had the FPV setup going. I spent weeks searching for and ...

Global positioning system (GPS) technology is increasingly used to assess geographically varying exposure in population studies. However, there has been limited evaluation of accuracy and completeness ...