[sdiy] Socket schematic symbol question

Graham Atkins gatkins at blueyonder.co.uk
Thu Oct 28 19:31:28 CEST 2010

On 28 Oct 2010, at 18:01, Harry Bissell wrote:

> Using the stereo jack is the standard approach, otoh I don't like
> passing battery current through the plug. there may (should) be a  
> capacitor in there
> that might draw a lot of current on charge, and cause pitting of the  
> finisg
> of the jack...
> of course its probably less damaging than dropping the jack on a  
> floor full or beer...

You must use some big batteries !!!, I doubt if charging a PP3 size  
battery would
cause much damage, even a high capacity one. Ansmanns 9V NiMH battery is
just 250mAh.


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