[Lab] So my EL wire board still resets (when using batteries)

[Michael Ayukawa]

Seems odd that you are getting a POR (power on reset) at 4.8V.  Well within the USB low voltage spec.
Do you have a voltage meter?  Maybe you have a bad cell or a cold joint somewhere.  Older NiCd or NiMH can
develop some dendritic micro-shorts.  Various ways of burning these out. Here is one way:
http://hackaday.com/2008/11/27/zap-new-life-into-ni-cads/

Personally, I just used a generous overvoltage for a second.

On 2011-11-03, at 6:10 PM, Martin Villemaire wrote:

> I got home last night from the lab all excited to finally be able to light up my EL wire through my "el sequencer" board. However when I plugged my battery pack in instead of the USB, the board started resetting again. 
> 
> I am using 4x AA rechargeable batteries rated 1.2V/2000mAh, so in theory I am giving this 4.8V of power (I think the USB is giving it 5V?). The batteries are fully charged. 
> 
> Any idea what I would need to get the board to not reset when using batteries? 6x AA @ 1.2V? 8x? Or maybe my problem is something else entirely... argh...
> 
> Any help would be appreciated! 
> 
> _______________________________________________
> Lab mailing list
> Lab at artengine.ca
> http://artengine.ca/mailman/listinfo/lab

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://artengine.ca/pipermail/lab/attachments/20111103/0bcf44ee/attachment.htm>