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Tricolor ED light contrast
How to change the contrast of the LED How to calculate the Resistor values needed to change the contrast

Arduino Arduino-with-Tricolor-LED-and-Push-button 06-07 min 20-30 sec 18-01-20, 12:23 p.m. dinuhai


You are correct about changing the resistor values and thus limiting the current for reducing the brightness. Regarding selecting resistor, refer this previous question -
18-01-20, 12:55 p.m. vishnuEaswaran

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