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Step 13Solder The LED's
You'll notice a flat spot at the base of the LED's. Take one of them and solder the black wire to it that is attached to the battery holder at the other end.
Now solder the remaining lead of the LED you are working with to the other led on it's side with the flat end. You are creating a "series" circuit so the two 3 Volt LED's combine to make a 6 volt circuit that can handle the power.
Solder the remaining lead of the second LED to the red wire coming from the thumb wheel switch.
Wrap the exposed leads of the LED's with electrical tape.
Now solder the remaining lead of the LED you are working with to the other led on it's side with the flat end. You are creating a "series" circuit so the two 3 Volt LED's combine to make a 6 volt circuit that can handle the power.
Solder the remaining lead of the second LED to the red wire coming from the thumb wheel switch.
Wrap the exposed leads of the LED's with electrical tape.
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