Pi Zero 2 W install errors

[eglin73]

I have some experience with Linux but not much, and am new to github and Rasberry Pi. But I have managed to install and setup my Pi Zero 2 W, and I can ssh to it and run the install as per the guides.

However there are warnings in the install process, and then the install appears to reach a point it does not complete. Giving an error about a cache miss:

(##################) ⠇ reify:es-abstract: http fetch GET 200 https://registry.npmjs.org/es-abstract/-/es-abstract-1.19.1.tgz 84244ms (cache miss)
client_loop: send disconnect: Connection reset fetch GET 200 https://registry.npmjs.org/es-abstract/-/es-abstract-1.19.1.tgz 84244ms (cache miss)

Trying the update gives an error about dubious ownership:
fatal: detected dubious ownership in repository at '/opt/openrowingmonitor'

I could get around this, but it did make me a little concerned. It then reports I have the latest version of main and although I can see many of the expected files and folders, I can also see for example that there it is not listening on either port 80 or 443 so I'm concluding it is not running a web server - and that the install did indeed no finish.

I'm at a bit of a loss as to what the error is, or how to proceed. I can easily reimage my SSD and get make to a clean image, but I don't think that will help as I have tried it twice already.

Any help would be appreciated.

Thanks
Ian

On a positive note for those having to add a sensor, I seem to have had success with an hall effect sensor module from arduino, it works with as little as 1.8v so I'm hopeful I can power it from the Pi without needing an external power source.

[Gordon-Shumway2]

Hi, re-image your card, increase your swap space to 1024 MB and re-run the installation. Worked for me on a Pi Zero 2 W. Cheers, Michael

[eglin73]

Thanks Michael, that worked for me too - very much appreciated!

Cheers

[eglin73]

I have data! The Arduino hall effect sensor does indeed work off the power from the Pi Zero and actually was a really easy solution. The next step will be to try and tune the variables and get the metrics as correct as I can.

[Abasz]

Can you please post a link to the dev board plz?

[eglin73]

This is the Arduino hall effect sensor that I used

https://www.jaycar.com.au/arduino-compatible-hall-effect-sensor-module/p/XC4434

And using a 3 cable jst 2.0 connector was really easy to connect. Soldered 3 pins to the gpio, and the hall effect fitted directly into the connector.

[Abasz]

It's good to hear that this works

Just be aware of the specifications, that states operating voltage is between 4.5 and 48v. This means that correct functioning is not guaranteed at 3.3v.

Unfortunately this does not state which hall sensor is used so I was not able to get a better data.

In practice they may work but will not deliver characteristics as per the specifications (e.g. signal voltage may be decreased, resistance may be higher, active thresholday increase etc). These may not cause issues but could.

I would like to hear results of the calibration.

[eglin73]

Yes, that's quite right the data sheet suggests 3.3v is not enough. My initial plan was to power it separately and I may may still have to do that. But on the face of it it seems to be working. I'm away at the moment so not able to progress, but will update once I get back and try calibrating it.

[eglin73]

https://core-electronics.com.au/added/?product=32808

The jst connector