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Post by admin »

Posting for Don:

I have some LED street lights but they came with seperare resistors. How do I wire the resisitors to the lights?
Posts: 30
Joined: Sat Mar 06, 2021 9:28 am

Re: LEDs

Post by bsuarez »

The resister should go on the cathode (negative side) of the LED which will be the shorter leg.

DC voltage flows from negative to positive so you want the resister in line ahead of the LED with respect to current flow.
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