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Electronic Engineering Tools Collection

Professional electronic engineering calculation tools to help engineers quickly complete various calculations and design tasks

Resistor Color Code Calculator

Quickly calculate resistor values by selecting color bands, supports 4-band, 5-band, and 6-band resistors

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V I R

Ohm's Law Calculator

Calculate voltage, current, resistance, and power using Ohm's Law formulas

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C

Capacitor Calculator

Calculate capacitive reactance, charge/discharge time constants and other parameters

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L

Inductor Calculator

Calculate inductive reactance, energy storage and other parameters

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P

Power Calculator

Calculate power consumption and power distribution in circuits

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f Hz

Frequency Calculator

Calculate resonant frequency of LC oscillator circuits

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Vout

Voltage Divider Calculator

Calculate output voltage of resistor voltage divider circuits

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Unit Converter

Quick conversion tool between electronic units

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PCB Trace Calculator

Calculate PCB trace width and impedance matching

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About Our Tools

We provide professional electronic engineering calculation tools to help engineers, students, and enthusiasts quickly complete various electronic design calculations. All tools are carefully designed to ensure calculation accuracy and ease of use.

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Mobile Friendly

All tools are optimized for mobile devices

Fast Calculation

Real-time calculation results, no waiting required

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Accurate & Reliable

Based on standard formulas, ensuring calculation accuracy

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Completely Free

All tools are free to use, no registration required