At 11:08 AM 01/27/08, you wrote: >--- In [email protected], "Laryn Lohman" <[EMAIL PROTECTED]> >wrote: > > > > I've been searching for a very simple circuit that could turn on a, > > maybe, 10 watt resistor at 12 volts, when the temperature drops to > > perhaps 30F or so. Anyone have a reliable favorite? > > > > Laryn K8TVZ > > > I also need a circuit for this same purpose - - - > Ron, W6QJM
This article might be a good start to a solution that scratches your itch... <http://www.repeater-builder.com/projects/no6b-crystal-heater.html> Mike WA6ILQ
