Modern Electronics (was Re: List charter mods & headcount... ;

From: Patrick Finnegan <pat_at_computer-refuge.org>
Date: Tue Jun 22 22:11:59 2004

David V. Corbin declared on Tuesday 22 June 2004 08:03 pm:
> >So I yanked the whole
> >thing, wired the fan and magnetron together (I almost always used it
> > on high anyway, and lower power settings worked by imposing a <100%
> > duty cycle on the magnetron), and controlled it with an ordinary
> > wall light switch, on the principle that it's too simple for much to
> > go wrong.
>
> A classic example of where a little knowledge can be very dangerous.
> Definitely NOT "UL Approved" or "CE Marked".
>
> Lack of detailed core issues, presents a situation which is
> potentially dangerous. I would hate to think of the law suit you could
> face if someone comes over to your house and a fatal error occurs
> [your solution APPEARS to have bypassed all of the safeties (door,
> etc.)).

It's entirely possible that he didn't disable any of the safety measures
(and I'd hope he didn't). I did the same thing to a microwave I got for
free because the controller didn't work (and I was hoping to build a
replacement for it, but I ended up deciding I didn't have the time for
it). Of course, instead of a light switch, I got a decent 10A or so
snap-action push on/push off switch to switch it on and off.

Pat
-- 
Purdue University ITAP/RCS        --- http://www.itap.purdue.edu/rcs/
The Computer Refuge               --- http://computer-refuge.org
Received on Tue Jun 22 2004 - 22:11:59 BST

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