Technology & electronics

Technology & electronics

How things work: from gears and circuits to the touchscreen.

Topics build on each other, but feel free to explore anywhere.

Mechanics & machines

6 topics · 58 exercises

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1Saving force the clever way10 exercises 2Ramp & wedge10 exercises 3Pulleys10 exercises 4Gears10 exercises 5Mechanisms & linkages10 exercises 6Hydraulics: force from oil8 exercises

Electronics basics

5 topics · 50 exercises

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1Meet the components10 exercises 2Series or parallel?10 exercises 3Switches & relays10 exercises 4Capacitors10 exercises 5Transistors10 exercises

Digital technology

5 topics · 50 exercises

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1Logic in hardware10 exercises 2Microcontrollers10 exercises 3Sensors & actuators10 exercises 4Electric motors10 exercises 5Displays10 exercises

Everyday technology

6 topics · 58 exercises

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1Speakers & microphones10 exercises 2Touchscreens10 exercises 3Household machines10 exercises 4Bridges & structures10 exercises 5Smart home & connectivity10 exercises 6Solar cells8 exercises