Step 3: Build your Voltage Converter
I used perforated breadboard and terminal connectors to make the voltage divider easier to hook up. I cut the board to size with a hacksaw and a vise. You can also make the mount for the laser lights this same way.
Solder the voltage divider and then apply some kind of protection to the back side to prevent against a short circuit. I used hot melt, but electrical tape would work as well.