We know exactly when the iron is hot enough ... in situations where you’ve previously wished for a third hand while soldering, this would probably be just the thing. The Solder Sustainer ...

Our commenteers have all said good things about the open-source TS100 soldering iron pencil: things like “it solders well”. But we’ve all got soldering irons that solder well. What possible ...

Namely, the Pinecil smart soldering iron. This product has quickly become popular with electronics enthusiasts thanks to its affordability, open-source design, and, of course, functionality.