simple pwm schematic

BrainFog

Joined Jan 24, 2011
122
What is the question?

Personally I thing using pin 3 for driving the MOSFET is the better option.
A question would be useful.

I recently built one of these that used pin 3 to drive a MOSFET and it worked perfectly. I am still inexperienced but this circuit looks like it is designed to drive an NPN.
 
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