Making sure I don't fry with a 12V power supply

Forum 2005-2010 (read only) General Frequently-Asked Questions
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D9 -> 1K resisistor -> MOSFET !RF510 -> anode side of diode -> blower black wire

blower red wire -> cathode side of diode -> 12V+ from DC power source

Basically I am wiring Homebrew BBQ Temperature Monitor/Controller VERSION 2

James