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 ...

What possible extra value does having open-source firmware on a soldering iron bring ... because we’re not that good and it would get too hot to handle fast. We haven’t tried out a TS100 ...

In addition to the soldering iron and 10 interchangeable tips, it included the hot-air rework gun, a voltmeter for checking electrical circuits, and a desoldering pump for removing liquid solder.