A soldering iron should have a feel and a grip that makes it easy to hold in your hand, as if it were a large pen. For electronics, you want a slim, needle-like tip to aid in getting the heat (and ...
A device that even DIY enthusiasts don’t usually think to DIY is the humble soldering iron. Yet, that’s exactly what one Hackaday.io user did by building a USB-powered soldering pen with better ...
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