Interactive Electronics Lab · Beta

Watch circuits come alive. Understand, not just build.

ElectroLab explains how circuits actually work — animated current flow, component breakdowns, and step-by-step logic. No hardware needed, no guesswork.

Watch Circuit DemosExplore Tools

Live Circuit Demos

Pre-built circuits with animated current flow and step-by-step explanations

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LED Series Circuit

Your first circuit — understand current, voltage, and light

LEDResistorBattery
4 stepsWatch demo →

Voltage Divider

Two resistors split voltage proportionally — key to sensor interfacing

ResistorVoltageOhm's Law
4 stepsWatch demo →

Button Switch

Open and closed circuits — how switches control current

ButtonLEDSwitch
4 stepsWatch demo →

Everything in one place

Demos, missions, and tools — all free, all focused on understanding

Live Circuit Demos

The site builds pre-wired circuits and walks you through them step by step — watch electrons flow in real time.

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Guided Missions

7 progressive challenges from blinking an LED to motor drivers. Each mission teaches one concept clearly.

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Electronics Tools

Resistor color code decoder, Ohm's Law solver, LED resistor calculator — practical tools for every beginner.

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Resistor Color Codes

Click any color band and instantly decode resistance. Learn the color code in 2 minutes.

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Ohm's Law Calculator

Fill in two values, get the third. V = IR made interactive.

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Practice Building

Ready to build? We recommend Wokwi (Arduino + code) and Tinkercad (visual drag-and-drop) for hands-on practice.

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Guided Missions

Progressive challenges that build on each other

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01beginner

Light Your First LED

Complete your very first electronic circuit and make an LED glow!

+100 XP💡 First Light
02beginner

Button-Controlled LED

Add human interaction — control your LED with a push button.

+150 XP🔘 Switch Master
03beginner

Transistor Motor Switch

Use a transistor as an electronic switch to control a motor.

+200 XP🔀 Transistor Expert
04intermediate

L298N Motor Driver

Control a DC motor in both directions using the L298N H-bridge motor driver.

+250 XP⚙ Motor Driver
05intermediate

555 Timer LED Blinker

Build an oscillating circuit using the iconic 555 Timer IC to blink an LED automatically.

+300 XP⏱ Timer Wizard
06intermediate

Potentiometer LED Dimmer

Use a potentiometer to smoothly control LED brightness through PWM.

+300 XP🎚 PWM Master
5
Live Demos
25+
Components
7
Missions
0
Hardware needed

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