Wiring a DC motor and Universal motor for speed control. I use a vacuum motor, electric lawn mower, and Treadmill motors to demonstration some cheap options for speed control and wiring to the wall.

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Any additional notes will be added here.

1. The biggest difference between using the HF speed controller and the DC speed controller (other than reliability) is the speed controller dynamically adjust the speed as the load increases. If you just use the HF speed controller the motor will slow down under load. The KB speed controller is "smart" and will adjust the the power output to maintain the speed.

2. The Auto transformer is also often called a "VARIAC" and I bought mine on ebay for $90 new. Model number TDGC2-2MK. It can handle up to 20 amps which should be plenty for most people.

Final Note:
PLEASE UNDERSTAND...I receive hundreds of messages on all platforms (email, Facebook, Instagram, comments, etc) asking for advice, and help with projects. At this volume, I simply can't do one on one advice. I have tried to help enough times to know I should never assume I have all the relevant information in the message, and even basic questions can produce a lot of followup questions. I do read all the questions, and if I get the same ones over and over I make videos about it to help lots of people. Thanks for your understanding on this.

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