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LED Resistor Value Calculator

When we use LEDs in circuits we always use a series resistor. We've made it even easier for you to calculate the value of this resitor with our LED calculator below. You can also watch this video where Kevin explains why we always use a series resistor, and explains how to calculate the value of the resistor.

 

Materials, Perspex. Plywood, Polypropylene
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2 thoughts on “LED Resistor Value Calculator”

  • Ray Taylor November 24, 2016 at 11:46 am

    H, ref. resistor calculator, is it giving me the resistor per led or single resistor for how many leds in the circuit

    Reply
    • Rob Haywood December 8, 2016 at 2:19 pm

      Hi Ray,

      A single resistor for the amount of LEDs you entered in the calculator.

      Rob

      Reply
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