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Editing Step 54 —

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Next, we'll want to roll each wire around between our fingers to make the cross section of the wires circular. This will be important later on (especially with the two power wires) for getting them to fit into the holes on the Controller Board.

Because each wire has a very high strand count (and thus the strands are very fine), we'll do a trick to prevent them from fraying. Using a soldering iron, heat the tips of each wire (which is not yet stripped) and apply a bead of solder. The silicon insulation on the lead wires should be able to take the heat.

You should end up with five wires that have small beads of solder covering their strands as shown.