Lesson 64 · The pieces that tell you things

Mecano basics · 6 min · See the playlist on YouTube ↗

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Inputs don't obey: they inform. The ones a person would move—the knob, the button—have control so you can act as the person; the ones that measure the world, like the ultrasonic sensor, only show you their reading.

🎯 The challenge of this lesson

Add a knob and a button to the same robot and compare their two controls; then add an ultrasonic sensor and notice what its dashboard is missing compared to the other two.

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