Have you ever found yourself suddenly in need of finding ... with some of their closest friends, it was time to build the rest of the metal detector. Look ma, no MCU! The sensor coil was made ...
If you want to do casting at home, you’ll need a way to melt metal. [Jake]’s DIY foundry furnace gets hot enough to melt aluminium, and is built out a mix of scrap parts. The chamber of the ...
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