Resistor Calculator for LEDs (serial and parallel) for Windows

By LEDs
Free
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Used Resistor Calculator for LEDs (serial and parallel) for Windows?

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Editors’ Review

Download.com staffFebruary 26, 2026

This software computes essential resistor values and power consumption for various LED circuit configurations, including simple, series, and parallel setups. It presents all data on a single screen for easy comparison.

Pros
- Calculates resistor value and power consumption.
- Supports simple, series, and parallel LED circuits.
- Uses source voltage, LED voltage, and current.
- Displays all calculations on one screen.
- Lightweight and quick to download.
Cons
- Limited to resistor and power calculations.
- No advanced circuit simulation features.
- Basic user interface.

Resistor Calculator for LEDs (serial and parallel) for Windows

By LEDs
Free
User Rating

Used Resistor Calculator for LEDs (serial and parallel) for Windows?

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Full Specifications

GENERAL

Release: April 11, 2007

Latest update: February 26, 2026

Version: 2

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 10
Windows XP
Windows Vista
Windows 98
Windows 2000
Windows ME
Windows NT

Additional Requirements: Windows 98/Me/NT/2000/XP/Vista

POPULARITY

Total Downloads: 17,397

Downloads Last Week: 0

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Descargar Resistor Calculator for LEDs (serial and parallel)

Last Updated

User Reviews

3.7/5

3 User Votes

Simple and it works
daijohn--2008December 19, 2008
Pros
Simple and good enough for casual use and for instruction
Cons
As previous revew - it's not good enough for serious use
Summary
Could be better
Electronic TechnicianApril 8, 2008
Pros
"Single LED"and "Serial LED" diagram ok.
Cons
"Parallel LEDs" diagram no good. The LEDs should have separate resistors to aviod difference in brightness.
Summary

Developer’s Description

Compute resistor value and power consumption.

67 Kb / ZIP Software that calculates the resistor value and its power consumption in different LED's circuit configurations (simple, series o parallel) according to the source voltage, the LED's voltage and the wanted current value. All are shown in the same screen in order to make direct comparisons on values.