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Resisters and LEDs?

I was wondering when i wire LEDs together does there have to be a resister for every LED? (i making an arc reactor with 7 LEDs)

goeon8 years ago
no not for every led just one ~goe

No there doesn't have to be a separate resistor for each LED. You can check this instructable on LED's for further information https://www.instructables.com/id/All-You-Need-to-Know-bout-LEDs/

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No there doesn't have to be a separate resistor for each LED. You can check this instructable on LED's for further information https://www.instructables.com/id/All-You-Need-to-Know-bout-LEDs/

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edgejr8 years ago
not for everyone, not matter if you put them on pararel or in serie whatch this http://ledcalc.com/#calc