Here’s a simple easy to build Isolation Transformer that you can buy from All Electronics.
Here’s what you need:
You can add a 1/2A fuse that goes on the output of the transformer
$32 dollar isolation transformer
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for 110v use do you just apply voltage to f1 and s1 or should you parallel the primary windings ie: connect s1 and s2 together and f1 and f2 together?
Sorry for the late reply. I applied 120vac as shown in the photo that i drawn. A 1/2 amp fuse(pink square on the picture) between the output and load.
