https://hackadaycom.files.wordpress.com/2018/07/diyiron_feat.jpg?w=800https://hackadaycom.files.wordpress.com/2018/07/diyiron_feat.jpg?w=800At this point you’ve almost certainly seen one of these low-cost portable soldering irons, perhaps best exemplified by the TS100, a pocket-sized temperature controlled iron that can be had fo…

Source : Build Your Own Portable Arduino Soldering Iron | Hackaday