Here is a simple but inexpensive inverter for using a small soldering iron (25W, 35W, etc) In the absence of mains supply. It uses eight transistors and a few resistors and capacitors. Transistors Q1 ...

The current generation of USB-powered soldering irons have a lot going for them, chief among them being portability and automatic start and stop. But an iron that turns off in the middle of soldering ...

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 ...

Soldering to a PC board can be tricky: Too much heat can make the copper trace lift right off the board substrate. Use a soldering pencil rated at 15-25 watts, no more. (Watch the video; story ...

Just because you are paranoid doesn’t mean people aren’t out to get you. Do you think your soldering iron is after you? Well, ...

Instructables is great, don't get us wrong, but if you're just looking for a sweet new Arduino project or a super-charged Atari Punk Console, wading through the piles of Lego swords and wreath-making ...