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Wheel trims and Info Screen

 While it's cold outside I've been a little reluctant to venture out to mess around with the car. I have started trying to tidy the 12v wiring by fitting a new relay fuse box for my additions.

This is proving more time consuming than I'd originally planned but the protoboard PP detector circuit that I had taped to the top of the HVJB is now in it's new 3D printed home. As you can see, I'm going to need more black tape.


Another addition is a set of wheel trims that popped up on Facebook market place 5 minutes away for £30 in like new condition. A little cosmetic enhancement, but I like them and the price was good.


I've also been working on a bit of an info dash using an ESP32 to read CAN BUS messages and serve up a HTTP server and web socket, displayed on an old Fire Tablet from a gadget drawer. Displays motor temperature, inverter temperature, and battery pack temperature. Along with Sate of Charge, instant currant draw as well as the current trip distance and amp hour usage. Code is here if you want to use it https://github.com/jamiejones85/ESP32-DASH


To help with calculating the State of Charge based on actual usage and not estimates based on voltage I've installed the ISA scale IVT-s shunt into the HVJB. This will also be used later when I add DC fast charging.

Another little thing I've been looking at is the electric power steering rack from later model VW's and figuring how to power it up and run it. It's looking like it might be a straight swap mechanically and significantly quieter than the Zafira pump. It just requires pin 4 to be given a 12v enable signal to work in failsafe mode, or to use as intended it looks for the RPM signal can bus message. I'm really looking forward to getting this installed when it warms up a little.




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