Thread: How-To: Building a Pulse Width Modulated Dew Heater Controller
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Old 04-04-2009, 05:38 PM
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peter_4059 (Peter)
Big Scopes are Cool

peter_4059 is offline 		 
Join Date: Jun 2007
Location: SE Tasmania
Posts: 4,532
Troy,

I finally found the catalog reference to the PWM unit I use - it's from RS Components and comes already assembled - Como Drills Motor Voltage Regulator. RS stock number 238-9816 $35.50. This also has a surface mounted trimpot that I replaced with a panel mount version. This unit is a bit smaller footprint than the Jaycar version.

http://australia.rs-online.com/web/s...hTerm=238-9816

Peter
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