Error homekey iPhone about apple-home-key-reader HOT 6 CLOSED

Thanks @kormax, glad I bought 4 :)

I will let you know if it works with other reader

thanks for the feedback

from apple-home-key-reader.

To close this topic, nfc reader fixed in the door frame (metal) work flawless.
Thanks

from apple-home-key-reader.

According to the logs the error is with NFC communication on lower protocol levels (RF/Transport). Taking a guess, I assume that the problem is with NFC antenna quality resulting in bad reception.

The Chinese PN532 modules are a lottery (if that's what you have), as the ones I have also exhibit vastly different performance, with some being able to read all of my devices in reasonable positions, while the others have weird "sweet spots". The only anomaly is that in your case it works on a watch and not on a phone, as from my experience it is usually the exact opposite (phone has a much more powerful antenna, so should be less prone to bad connection).
Could be that your module is "too loud" (AKA clipping), so a phone with a powerful antenna fails, while watch with relatively weak one feeling OK with it.

In conclusion, if my assumptions about your set-up are correct, I would try using/buying another sample of this NFC module.

from apple-home-key-reader.

Hey @kormax,

So I think I found a sweet spot with this reader

If I tap 3cm from the reader, the iPhone and Watch works, lower than that the iPhone doesn't work. Sometimes the watch fails but not so regularly.

Nevertheless I will try with other readers.

Thanks

from apple-home-key-reader.

Yeah, just as I thought.

Basically, the issue comes from a fact that some knock-off module manufacturers, in order to save fractions of a penny on each module, constitute proper matching circuit components with some incredibly bad (totally wrong) alternatives that don't match the spec at all (but enable it to work at least somehow). The culprit is usually an inductor, and sometimes a resistor, I've managed to fix one module by finding a mismatched component via cross referencing and replacing it.

But it's usually not worth the trouble to figure out what exactly is causing the issue. It's easier to just take a couple of shots (better from different suppliers), usually at least one of them is responsible and makes everything up to spec.

If you're not into taking chances, you can also buy an original module from Elechouse, Adafruit, Sparkfun, etc. They cost as much as a couple of cheap ones, but should work much better.

from apple-home-key-reader.

Haa, makes totally sense.
Thanks for the explanation

I will look for a shop in Europe that have this original module.

Thanks

from apple-home-key-reader.