christianmoller Posted January 24 Author Share Posted January 24 Good evening, I now have a working two speed PWM controlled C7 fan. I used an Arduino to create a PWM signal at 50 percent(LOW) 90 percent (HIGH) and some slope up/down between the different stages. I added a voltage regulator i had around when fixing my dodgy gauges on the Datsun (LM7810). /Christian Quote Link to comment Share on other sites More sharing options...
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