Learn test equipment by using it.

Simulated bench instruments that behave like the real ones, mistakes included: aliasing, probe mix-ups, blown fuses, burnt LEDs, an overloaded analyzer. Understand a measurement with interactive plots, try it on the instruments, then prove it in graded challenges with hidden values.

  • 5instruments
  • 55graded challenges
  • 38interactive plots
  • Runs offline, nothing to install
RunCH1 1 V/divH 200 µs/div

The bench

Each instrument comes with signals or circuits to measure
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Learn

38 interactive plots in 7 sections, each with a “Quiz me” mode: predict the reading before you see it.

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Cheat sheet

Which instrument does what, how to measure each quantity, bench tips and quick formulas.

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Where to start

Suggested routes; every challenge is open, in any order