A LITTLE CURIOSITY. A REAL UNDERSTANDING.

Great ideas start with a spark.

Understand the circuit. Make a prediction. See it come to life.

Learn by doing
YOUR FIRST HANDS-ON LESSON

A small light. A big first step.

Discover why an LED needs a resistor. Then build, measure, and troubleshoot your own circuit.

35 min12 interactive lessons
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THE FIRST CIRCUIT01
VCCAGND · 0 V5.0 VR1 · 330 ΩD1Vf ≈ 1.9 V
A little current, a little light9.39 mA
Original schematic · calculated model
01Understand

Build the intuition.

02Experiment

Change one thing. Observe.

03Make it yours

Explain the why.

ONE CONNECTED JOURNEY

From your first wire to your own design.

View learning path
006 interactive lessons

Workbench essentials

Build a safe foundation.

15–20 hours · estimated
016 interactive lessons

DC fundamentals

Understand what makes a circuit work.

30–40 hours · estimated
02Planned

Components, time & signals

See circuits change over time.

35–45 hours · estimated

Your workbench is always open.

Try four focused circuit models. No components required.

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