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USB lockups Fine Offset 3080, solved by shielding USB cable (?)

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henkg
Posts: 99
Joined: Sun Jul 24, 2011 8:53 am
Weather Station: WH3080 (Alecto WS-5000 ECO)
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USB lockups Fine Offset 3080, solved by shielding USB cable (?)

Post by henkg » Tue Jan 23, 2018 5:21 am

(Cumulus MX, RPI-3, common connections with 1A adapter, standard USB cable)
Lockups did occur every two till four weeks.
Replacing the USB cable with another one did not help.
Attaching ferrite cores on both ends of the USB cable did not help.

Then I decided to shield the original USB cable, on the outside, with common household aluminium foil. Wrapped some common sellotape around it, to keep the foil in place (rather ugly, but hey, it’s a prototype).

Now, 7 weeks later, still no USB lockup.
A bit early to say, but it looks like this works, at least with my setup.
Image

sutne
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Joined: Sun Oct 14, 2012 4:23 pm
Weather Station: Oregon Scientific WMR100
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Location: Mjølfjell, Voss, Norway

Re: USB lockups Fine Offset 3080, solved by shielding USB cable (?)

Post by sutne » Tue Jan 23, 2018 7:20 am

A better solution is probably to use a powered USB hub between the Rasberry and the console.
The USB in RPI is known to be poorly powered.

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ConligWX
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Re: USB lockups Fine Offset 3080, solved by shielding USB cable (?)

Post by ConligWX » Tue Jan 23, 2018 8:29 pm

and adding ferrite cores to each end of the cable can help too
Regards Simon

https://www.conligwx.org
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Davis Vantage Pro2 Plus - CumulusMX v3.0.0 (build 3043) + Saratoga/PWS Templates

henkg
Posts: 99
Joined: Sun Jul 24, 2011 8:53 am
Weather Station: WH3080 (Alecto WS-5000 ECO)
Operating System: Raspbian Wheezy on RPI B+
Location: Zeeland, Netherlands

Re: USB lockups Fine Offset 3080, solved by shielding USB cable (?)

Post by henkg » Mon Mar 12, 2018 6:09 am

Now, 14 weeks after applying household aluminium foil, still no USB lock up.
(I did not remove the earlier applied ferrite cores, so there might be a small chance the combination of the two did it.)
Image

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