I think you could test each as half plus the one. The same one.
On Thu, Apr 24, 2014 at 3:26 PM, Rick Beebe <[email protected]> wrote: > On 04/17/2014 07:50 PM, Lee Hart wrote: > > You don't *have* to monitor every cell to know if one is undervoltage. > > If you want something very cheap and simple, try my Batt-Bridge. It > > splits the pack into two halves, and compares the voltage of each half. > > If they are different, some cell has just went dead, and is at a lower > > voltage. > > > > The Batt-Bridge normally lights an LED. But you can use the LED of an > > optocoupler, and have the output of the optocoupler turn on a buzzer or > > other more noticeable indicator. > > > > The Batt-Bridge is described more fully at: > > http://www.sunrise-ev.com/LeesEVs.htm#battbridge > > > > Any ideas for an odd number of cells? Other than adding an additional > cell, of course. > > --Rick > _______________________________________________ > 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) > > -- Put this question to yourself: should I use everyone else to attain happiness, or should I help others gain happiness? *Dalai Lama * Tell me what it is you plan to do With your one wild and precious life? Mary Oliver, "The summer day." To invent, you need a good imagination and a pile of junk. Thomas A. Edison<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html> A public-opinion poll is no substitute for thought. *Warren Buffet* Michael E. Ross (919) 550-2430 Land (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone (919) 631-1451 Cell (919) 513-0418 Desk [email protected] <[email protected]> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140424/de61b69c/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)
