I've been following your project for a long time. Unlike most people here, I don't think you should choose a car because it's in good condition and easy to convert. Converting a car is usually not cheap and rarely pays off from a commercial point of view. That's why it makes particular sense to ...

I stumbled across a video about the EV Clinic. It describes the M3 battery as the easiest battery to repair. They replace the single defective round cell. Other repairable cell types are also discussed. Has anyone here tried something similar?

I have now implemented it as described and it works well. After closing the main contactors, I take the voltage from the Hella battery terminal and start the DCDC converter with this voltage. I then increase the voltage until 14A is reached at the pole terminal. As the battery charge increases, the ...

Making dials is no problem. In the picture it looks as if it is translucent, i.e. the lighting comes from behind. For this, an acrylic glass would first have to be laser-cut. There are online suppliers for this on the Internet. Then print directly, e.g. https://hd-xxlprint.de/. The laser cutter ...

Another approach is to find out what the diesel engine sensors are doing. From a crankshaft or camshaft sensor you can expect a clock pulse, perhaps with two missing teeth, the temperature sensor is probably analog and can also be simulated. It should be possible to check whether everything is as ...

How does Damien do it with his V50 with M3 Drive Unit?

nmeijer wrote: ↑Mon Jun 30, 2025 10:41 am Hey Muehlpower, Can I buy one voltage measuring board of you?

yes, sure

I would like to revive this tread. I have found a supplier on the internet who sells an upgrade kit for the e-golf to 180Ah. This gives 58kWh and should be enough for 320km in real life. The price is quoted at 5800$. I don't know if this is serious. They seem to have concentrated on the I3 so far ...

I recommend connecting 4 car batteries in series. Charge them individually, in parallel or in series beforehand. This way you have no problem with the current and can also test the recuperation. Running a charger in parallel during the test was not a good idea for me, as it was destroyed during ...

This description states that the “33” only describes the destination market. The entire type designation is also explained there.

my googling has led me to this link.https://tr.aliexpress.com/item/1005008459058700.html. The MC33771ata is sold there, the photo shows a MC35771ata. Further googling shows that it is a BMS chip from NXP. The datasheet at mouser https://www.mouser.de/datasheet/2/302/MC33771B_SDS-1517286.pdf. I think ...

I still have two.

for my understanding, what triggers an “overcurrent” message. Of the 7 inputs on IC10, 6 come from the error lines of the gate driver. One comes from IC8, and is also transmitted to the CPU. The output of IC10 suppresses the PWM. Is this suppression also output as an “overcurrent” message? If not ...

I have dismantled an older one and used the technology for a show vehicle. Many of the CAN messages are the same. It no longer looks like a Street Scooter.

LRBen wrote: ↑Mon Oct 28, 2024 9:51 pm Only thing left to crack is the CRC required

Do you mean the CRC in BO_ 536?

Why did you need 32 minutes in lap 370, it seems to take about 10 minutes normally to change the battery?

P.S.Mangelsdorf wrote: ↑Tue May 06, 2025 12:11 pm I'd probably go with a de Dion style axle

I like DeDion, I have also installed it, together with air springs and a triangulated four link.
viewtopic.php?p=15994#p15994

P.S.Mangelsdorf wrote: ↑Sun May 11, 2025 4:29 pm 2.64sec 0-60mph.

I really need your parameters
How heavy is your car?

I have installed the new software and adapted my programming. It works well. My system is activated with a button (white light). If nothing is plugged in within 30 seconds, it is deactivated again. After plugging it in, it locks, regardless of the PWM (orange light). If a suitable AC PWM is present ...

I didn't try any decimal numbers, but you're right. Now it works and I get 320V.

With my AC charging implementation, locking works as long as the two treshholds are the same or with feedback if the mechanism is not blocked. A mechanical opening remains unnoticed. With AcObcState I have not found a value that unlocks again. I could help myself if I use the new ActuatorTest for ...

I have now made tests with the version 0.44.100.B. The offset parameter works well. The UdcDevider is too coarse. After setting the offset to 561, I applied 318V, resulting in AdcInletVoltage of 1425. With UdcDevider = 3 I get 288V and 432V with UdcDevider = 2. My suggestion is dig/100V ...

How to kill the lock motor?


This is consistent with my observations. The immediate jump back to “open” also irritated me.

A few more ideas on inlet voltage and contactor: If a separate measuring device is selected for inlet voltage, this should not replace the voltage transmitted by the DC ...

At the end of the charging process, my charge controller and Foccci are also switched off. My current requirement is 600mA in the waiting phase. This is low enough for 3 days on my 12V battery. I will set up a timout that stops everything if no charging has started for 24 hours. I will set the timer ...

This is how I imagine charging with the OBC: The cable is plugged in. Foccci and my charging controller wake up. Foccci reports cable plugged in, my controller sends lock and waits for a valid PWM. When PMW starts further controllers for cooling etc. and the high voltage is switched on with Pre ...