A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project. Reversing ‘bridges’ have four switches (relay ...
Let’s say you want to blink an LED. You might grab an Arduino and run the Blink sketch, or you might lace up a few components to a 555. But you needn’t go so fancy! [The Design Graveyard] explains how ...
Photographers searching for a professional style motorised camera slider and pan-tilt camera mount, may be interested in a new project by YouTuber “isaac879”. The project is open source with links to ...
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