I think it would be good to experiment to find the wavelengths involved. There was a recent dustup about the Raspberry Pi II being "camera shy". It was rebooting when photographed with a Xenon flash equipped camera. It turned out that chip U11 was photosensitive and the fix was to put a little blue-tac on it... or keep it in an opaque plastic box if you were taking photos.
cheers, sean On Wed, Mar 18, 2015 at 7:02 AM, Chris Meier via EV <[email protected]> wrote: > Is it a specific band of sunlight, such as IR, that causes the effect? > > On March 18, 2015 5:18:45 AM CDT, George Tyler via EV <[email protected]> > wrote: > >It is clearly the sun causing the problem. Some years ago I was > >designing > >RFID readers for cow tags, I found that the tags themselves were > >sensitive > >to sunlight! In fact, any chip that does not have sunlight positively > >excluded is.... this meter will probably have a chip bonded to the > >bottom of > >the pcb directly with a blob of sealer on the top. > > > >-----Original Message----- > >From: EV [mailto:[email protected]] On Behalf Of Lawrence > >Rhodes via > >EV > >Sent: Wednesday, 18 March 2015 10:56 a.m. > >To: Electric Vehicle Discussion List > >Subject: [EVDL] Watch "Malfunctioning meter." on YouTube > > > >Malfunctioning meter.: https://youtu.be/xNy8IOlRkII > > > >This is the correct url. Lawrence Rhodes > > > >-------------- next part -------------- > >An HTML attachment was scrubbed... > >URL: > >< > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150317/0d32c3cf > >/attachment.htm> > >_______________________________________________ > >UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > >http://lists.evdl.org/listinfo.cgi/ev-evdl.org > >For EV drag racing discussion, please use NEDRA > >(http://groups.yahoo.com/group/NEDRA) > > > > > >_______________________________________________ > >UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > >http://lists.evdl.org/listinfo.cgi/ev-evdl.org > >For EV drag racing discussion, please use NEDRA > >(http://groups.yahoo.com/group/NEDRA) > > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150318/4a4c83db/attachment.htm > > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > -- Sean Korb [email protected] http://www.spkorb.org '65,'68 Mustangs,'68 Cougar,'78 R100/7,'60 Metro,'59 A35,'71 Pantera #1382 "The more you drive, the less intelligent you get" --Miller "Computers are useless. They can only give you answers." -P. Picasso -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150318/3f8fcb55/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
