Progress over the last two weeks has been slow to non-existent. Two steps forward and two steps back. The problem is this: I am feeding around 30 volts into the inverter. The inverter is reading anything from 3 to 150 volts. Why? I have no idea. First thought was that the connection between the ADC (analogue to digital converter) on the microcontroller and the sensor … Continue reading The price of ignorance
So, it looks like my nemesis on this project is going to be the 50 pin connector on the EVBMW board. Though the board functions beautifully now, it isn’t talking to the rest of the inverter and I’m getting some really weird readings from the sensors. Diagnosis from the forums (and the board’s creator) is that the 50 pin connector that originally caused me so … Continue reading Fifty pins of woe
The control board and modified inverter came back this weekend and everything seems to be working. Hit it with 12V and you get a WiFi connection and web interface. Hoorah! I’ve also received from Damien a daughter-board that provides the 35-pin AMPSEAL male connector and have designed a new 3D printed part to enclose this. A few designs for this have been floating around the … Continue reading A new hope (OK, controller board)
The Prius Gen 3 controller board from EVBMW comes as a kit that you need to do some soldering on to add various connectors. I’ve been soldering for about 35 years. But only ever through-hole stuff. Never surface mount and never particularly fine scale. I watched the instruction video from Damien at EVBMW and thought, “How hard can it be?” The answer: £300 hard. In short, I … Continue reading My first disaster… Controller board borked
