LED Resistor Calculator
Calculate the value of the series resistor needed for an LED. Protect your LED from burning out by choosing the right …
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Calculate the value of the series resistor needed for an LED. Protect your LED from burning out by choosing the right …
Calculate the total equivalent resistance of resistors connected in parallel. Add as many resistor values as needed.
Decode the color bands on 4-band and 5-band resistors to find their resistance value and tolerance.