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From: David <wibble@btintenet.com>
Newsgroups: comp.sys.raspberry-pi,uk.d-i-y
Subject: Re: controlling a mains-powered oven
Date: 20 Feb 2016 14:37:46 GMT
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On Sun, 06 Sep 2015 15:20:49 +0100, Jim Nagel wrote:

> Has anybody used a Pi to control a mains-powered device?  I'm looking
> for some tips.
> 
> The electronic controller of our electric double oven is no longer
> reliable -- temperature varies far too much, according to the
> independent external thermometer I bought.  Rather than spend £200 to
> replace the controller, I fancy using a Pi instead.  It could live
> inside a nearby cupboard door, with a nice big screen at eye level
> instead of the present little thing for which I have to don specs.
> 
> Seems to me the Pi's job would basically be to read a temperature sensor
> in each oven (smaller upper one and larger lower one) and trigger relays
> (or nowadays maybe thyristors?) to switch various heating elements on
> and off accordingly. (That's top and bottom element in each oven plus a
> fan element in bottom oven.)
> 
> Would this be feasible?  Anybody done it already?


Thought this would be very appropriate to uk.d-i-y


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