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6 useful parts you can salvage from a broken old printer

These components are probably the most valuable parts you can salvage from old gear. They are essential if you are working on ...
Hackaday

Arduino Hacks

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...