When I did my article on prototyping, I learned that one way to de-solder chips and such is to melt some bismuth solder into the existing solder joints. Since bismuth alloyed with tin has a melting ...

Quite a few hackers nowadays share their tips and tricks on Twitter – it’s easy to do so, and provided either an existing audience or a bit of effort to get one, you’ll get at least a few ...

If you are lucky enough to encounter a piece of homebrew electronics from the 1950s, the chances are that under the covers the components will be assembled on solder tags, each component with long ...