If you are in the market for a high-quality soldering iron, a rewarding pursuit can be attending dispersal auctions. It is not unusual to see boxes of irons, as anything remotely iron-like is ...

You need to wick away old solder or use a solder pump, reflow stubborn joints with flux, and clear holes to free component legs without breaking them—all while trying not to burn out anything.

Soldering them by hand is simply boring, and 3D printers are cheap, so the great mind behind this project decided to use a printer to pump out solder. The modifications to the printer include a ...