Insert the USB Charger Into the Wireless Soldering Iron
Wireless soldering is already a pretty nifty device, but lugging AA batteries around is not fun. Adafruit will show you how to plug a USB charger into the incredibly popular Hakko Cordless Soldering Iron .
As you’d expect, you’ll need a Hakko soldering iron along with a battery, charger, and slide switch. This particular guide also uses a 3D printed enclosure to house the whole thing, but otherwise the process isn’t overly complicated. Visit Adafruit for a complete guide.