Sorry to resurrect such an old thread, but I'm looking at some dew heater solutions at the moment. I am a bit of an electronics noobie, but recently I successfully soldered my first Jaycar kit as a test run - it's a row of LEDs that indicate the charge level of my 12V battery. But I digress...
Understood Alan's article for the most part and reckon I could do that, but the addenda by Brendan was a little over my head. Could someone put that addenda in lay terms for a dummy like me? I mean, is there a problem if I build it as per the original article, or should I be making the adjustments in the addenda?
Quote:
Originally Posted by AndrewJ
PWM controllers allow you unlimited power levels ( almost ), can be easily converted into thermostatically controlled units ( so they only heat when required, thus preserving yr batteries )
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Does this mean you could, knowing the dew point, set a temperature somehow on the controller at which the heater would kick in? Any pointers in the right direction for that?