[Kasyan TV] shows us how to make a really simple DIY induction soldering iron complete with DIY soldering tips. This is a pretty cool project. Most of us are used to temperature controlled ceramic ...
Order your pcb design at jlcpcb for $2 (24 hours turnaround time). This is the most complex or detailed soldering I've done so far, the QFN20 package is very small but still not impossible to solder ...