Arduino Calculator

Calculate LED resistors, ADC conversions, PWM settings, and timer configurations for Arduino.

Arduino Calculations

LED Resistor

150
Calculated (ohms)
150
Standard (ohms)

Details

Actual LED Current20.00 mA
Power Dissipation60.00 mW
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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.