Originally Posted by JoeTestingEngr
Good project Potseal! How did you build the variable 0-9 volt supply?


Here's the link to the page of the individual whose circuit design I used:
http://www.electronics-tutorials.ws/blog/variable-voltage-power-supply.html

The circuit design for the variable voltage is at the bottom of the page.

A malfunction at the junction
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Dwayne