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Old 03-28-2014, 06:12 PM   #21 (permalink)
Astro
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Join Date: Nov 2013
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Quote:
Originally Posted by mechman600 View Post
I tried this with a 2N7000, but I could not make it work for the life of me. It either stayed switched on (no matter what PMW value) or if I switched resistors to different spots (like a 5K from the 2N7000's gate to ground), my test LED switched on when PWM was 1 but the current did not increase as I turned it up.

Something like this maybe?


Last edited by Astro; 03-29-2014 at 01:49 AM.. Reason: Resized image so that resize bar doesn't always show.
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