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- John Crighton
August 3, 2005, 3:46 am
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When answering someone, I usually like to leave a
few sentences of their remarks but as you can see
above, your post disappeared when I opened your
diagram and that was all I was left with. Bit of a pain
but never mind.
This circuit for a motor speed control or light dimmer
on this website is similar to yours and simpler.
There is description on how it works.
Perhaps you can study the diagram with description
and then get a better idea how your circuit works,
since some areas are similar.
I have built that particular controller for a DC motor
in an old mig welder and it works very well. Much
better than the original motor controller which justed
varied the voltage to the motor.
Just thought I would mention that if all you were
looking for was a simple motor controller.