Thread: Really easy to make arduino dew heater controller
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Old 18-08-2016, 11:57 PM
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ChrisV (Chris)
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Freetronics has a diagram
http://www.freetronics.com.au/pages/...e#.V7W-JMuubqA

Take the +12v and gnd directly from where the power comes in to your unit.
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