Would You Like Your Vac To Go On And Off As You Pull The Trigger On Your Tools?

Here is a homemade switch that will allow you to do just that.

Basically this is how it works.

When you turn on a tool a bridge rectifier puts out a small voltage signal. That signal gets amplified an triggers a relay witch turns on the power to the vacuum. When you turn off the tool the relay looses its control power and turns off the power to the vacuum.

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Watch the video to get all the details

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