Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...
Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper ...
Need a Hall sensor? A strip of copper, a strong magnet, and an LM358 are all you need to explore the Hall effect hands-on.
Would you like to have a small digital oscilloscope? Do you have a spare BlackPill (STM32F401) board and a TFT display laying around? [tvvlad1234] presents us with a simple and educational digital ...
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