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Step 4Brushes
I made two identical "brushes" using insulated solid copper wire soldered to stranded copper (from an old extension cord), and made it purty with heat shrink tubing.
The top brush is soldered to the M&M, with it's copper fanned out and almost touching the top of the belt at the top roller.
The bottom brush is connected to ground (see step 5), and also barely touching the belt, at the bottom roller.
The top brush is soldered to the M&M, with it's copper fanned out and almost touching the top of the belt at the top roller.
The bottom brush is connected to ground (see step 5), and also barely touching the belt, at the bottom roller.
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