Light-emitting diodes -- LED -- are useful electrical components that allow you to make a low-power light easily. The only things required are some light soldering and careful wiring of the power supply. You can replace inefficient incandescent light bulbs with LED designs to reduce your overall carbon footprint. Start with a led spot light design that runs off a home power outlet and provides inexpensive lighting for any situation.
Instructions Preparation
1.Open the LED spotlight casing. Unscrew the lens to expose the raw power cord inside.
2.Cut the circuit board down to a circle that can fit inside the spotlight casing. Confirm it will fit by slipping it inside the casing. If it does not fit, cut it down a little more each time until it does.
3.Slip the LED into one side of the circuit board. Each wire from an individual diode should only be in a hole with a wire from a neighboring diode.
Assembly
4.Put on your safety goggles to protect your eyes from soldering fumes. Solder the diodes together into rows with your soldering iron. Solder each wire to a neighboring diode wire. The diodes at the end of each row will have one wire free.
5.Wire the free wires to the row below. Leave the first and last diode in this circuit unsolder-ed for attachment to the power supply.
6.Cut wire long enough to reach from the power supply wire to the circuit board. Strip the ends of the wires, no more than an inch at each end, to ensure a good connection.
7.Solder one wire to the first diode's free heating wire. Solder the other wire to the last diode's free wire. Solder the wires to the power supply wire, which you may have to strip if it did not come already connections stripped.
8.Wrap the soldered wire in electrical tape. Push the circuit board into the casing, LED side out.
9.Screw on the spotlight casing lens. Plug the spotlight into an electrical outlet and test its operation.
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