For most of the history of industrial electronics, solder has been pretty boring. Mix some lead with a little tin, figure out how to wrap it around a thread of rosin, and that’s pretty much it.

We tested it at 600 degrees for leaded solder and 650 degrees for lead-free solder. In both cases, the solder flow was quick, and it formed a smooth, solid seam. The small soldering iron comes ...

Perhaps one of those really large drafting lead holders could be repurposed as a solder dispenser for the bigger jobs. We discussed a 3D printed solder feeder a few days ago, but if you don’t ...