Thanks, I just carfully cut open the cable, cut the red wire, pulled it out of the shield on the outer sheth and taped it so it could not short to the shield. Connected the cable to a mobile phone and confirmed it did not charge anymore. If it had not, I guess I had cut the wrong wire. Then connected. Now everything is working fine! (I did have some spare USB cables in case I'd cut the wrong cable ;))

Except that my extruder seem to have clogged, or can the settings have been messed up? I did install the temp fix, but temp on display and in octoprint shows the same and it still seem to have trouble extruding the first layer...

OK, thanks, I do not like to smoke either printer or Pi (printer from Bangood, so warranty is questionable, Pi is out of warranty...)

So what you are saying, probably, this is a defect from Creality on some boards? Sad they did not go out to inform which boards/models that are affected. It "should" work, but does not always? And the voltage do not necessary be high all the time, so measuring does not make it safe to conclude it is OK?

So, is slicing the USB cable open and cut the red cable the "best" way? Seems also be some USB adapters that do this, but not that easy to buy, the ones with availability is doing the opposite (cutting the data, keeping the power). I have seen tape on the connector that seems like the easiest way, but feels not that robust? Will everyting else work out if I cut the 5V, or is it used for something?

Hi, do I need to cut the 5v cable when connecting a Raspberry Pi to USB to run Octoprint? Will I fry the Pi or the motherboard if I dont cut it?

I did replace the BLTouch to a new one with the same behaviour (bought from a local trustworthy shop) - likely the BL touch were from the same batch.

I bought a non original BL touch incl wire for a Creality 3v2, it showed out that it was not the cable but the sensor itself. The cheap sensor works perfectly. Cant say anything about the precision of the mesurement but at least it does not fail.

Hi, I have bought a BLTouch v3.1 to run on my Ender 3 v2.

(https://www.webhallen.com/se/product/315204-Antclabs-BLTouch?gclid=Cj0KCQjw1a6EBhC0ARIsAOiTkrGGX_E_urMd5nJKYQ6JCbKvSZwK6exORlSM07iNDjZPJj4aIlODEPsaAvFQEALw_wcB) from my local store.

I've tried it with different firmwares (I have just updated the mainboard, not the display). I have the og mainboard, so I assume that is the 2.2.2 version.

What happens is that most of the times, I can do a good bed leveling measurement, but at the first probe point, the probe don't fall down sometimes. Once the first probe point is done, it has never failed to complete all the probe points. Just the first seem to be the problem. Then, when I am to start printing, it loads the model and then before starting printing it is supposed to just measure the center of the plate, it most of the times fails to drop. It seem also that the few times I managed to start the print, the first layer may be offsetted (it was better leveled without the BLTouch). I do not get an error message in the display. It just stops.

I think the firmware should NOT be the problem.

My question is now; What is most likely?

1. The cable between mainboard - BLTouch?
2. The probe itself?

There is a small adjustment hole on the probe, but I do not want to start fiddling with that before I understand if that is the root cause. I assume the probe should be adjusted correctly from factory? Should I return the BLTouch and get another (the store is just 10 minutes away) or do I need to try something out first?