Hobby updated December 2020

Electric vehicle controller

An integrated controller for petrol-to-electric conversions, taken through several prototypes to a first PCB run, then shelved in favour of the Prius plug-in conversion.

In 2010 I read about people converting old gasoline and diesel cars to electric and started to read up on how that was done and what parts that was needed and available. I could not find a system that was as integrated as I wanted so I decided to design my own ๐Ÿ™‚
This went though a few prototype stages and eventually I ordered a first version PCB from China. This project was later scrapped in favour of converting a Toyota Prius to plug in HEV.

The controller's full schematic: a power stage of paralleled MOSFETs with gate drive and over-current interrupt, around an AVR microcontroller Component placement drawing labelled 'EV-Controller, S. Rehnberg 2010', with the power transistors and the WiFi and USB sections marked out

evpcbembedded

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