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verified publisher icon Anrijs

Which battery value is supposed to be correct?

Open ariccio opened this issue 3 years ago • 3 comments

This is weird. I'm seeing right now the battery service (0000180f-0000-1000-8000-00805f9b34fb, 00002a19-0000-1000-8000-00805f9b34fb) return a correct value (11%), but the CO2 measurement characteristic (f0cd1503-95da-4f4b-9ac8-aa55d312af0c) is returning an entirely different value (45%).

Any idea what's going on? Not really an issue with your repo here, but might be useful to someone :)

ariccio avatar Feb 17 '22 02:02 ariccio

Just checked both battery values on 2 devices. Both characteristics returned same values. Are you sure you checked correct byte for battery value? I have been using value from f0cd1503-95da-4f4b-9ac8-aa55d312af0c without problems. Graphs seems fine.

Anrijs avatar Feb 17 '22 15:02 Anrijs

You know what? I think you may be right? The way it's done in javascript is mildly confusing. I may need to write my own constant offset table so I don't mess it up again. Do I have this field right, here?:

0: SS:SS: CO2 2: TT:TT: Temperature 4: UU:UU: Pressure 6: VV: Humidity 7: WW: Battery? 8: XX: status color?

ariccio avatar Feb 17 '22 17:02 ariccio

Yes, this should be correct. 8th byte is battery.

Anrijs avatar Feb 21 '22 05:02 Anrijs