DIY aquarium temperature controller

• To: aquaria-freshwater at netsteps_com, DISCUS-L at MITVMA_MIT.EDU, Aquatic-Plants at actwin_com
• Subject: DIY aquarium temperature controller
• From: mike at microspan_com (Mike Roberts)
• Date: Wed, 15 Jan 1997 16:18:30 GMT
• In-Reply-To: <2.2.32.19970107130954.006a3e3c at steps_netsteps.com>
• References: <2.2.32.19970107130954.006a3e3c at steps_netsteps.com>

Has anyone seen plans or an article in any of the journals about constructing a
temperature controller for aquarium use?  I have seen quite a few commercially
available units that will do what I want, however the cheapest one I have seen
is close to $200 and it seems that it would be possible to make one for much
less.

Basically the device would need a water proof temperature probe, some type of
trimming device for calibration, and the ability to switch a 400va power supply.
A nice to have, but not essential feature, would be an LED temperature readout
or possibly a way to temporarily use a multimeter to measure
voltage/temperature.

*Mike Roberts - mike at microspan_com
*North American Internet, Ltd. - http://www.nail.net
*Colorado Springs, CO - (719) 635-NAIL

*Providing affordable ISDN to the Front Range...

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