If you have a keen interest in electronics or are a do-it-yourself enthusiast, you absolutely need to have a few tools and accessories at your disposal at all times. One of them is a soldering iron.
It is common these days to have a soldering iron where you can set the temperature using some sort of digital control. But how accurate is it? Probably pretty accurate, but [TheHWCave] picked up a ...
Many decades ago, when soldering was an activity more often associated with copper fabrication than with electronics, a soldering iron would have been a large lump of copper on a shaft with a wooden ...