This leaves an easy job of soldering the trailing side of the wire to a hunk of protoboard. It’s perfect for chips with a small number of pins. Of course you may still want an etched breakout ...

A 3D-printed hollow tube has a wire ferrule inserted in the end ... If more slack is required in the solder feed, one simply pins the solder down in the device and tugs to draw more out.

However, it's toxic and bad for the environment. Many solders contain a rosin core, which aids in cleaning the wires you're ...