What you’ll learn: The basic metallurgy of solder. How to make a solder joint. How to repair a circuit board. The vintageTEK museum is a geek’s paradise to tour if visiting the Portland ...

After the chip has cooled off, it’s ready to be mounted on a board again. As you can see, soldering and desoldering BGAs is not that hard, as long as you’ve got the right tools.

When you put a BGA chip on a board, it’s like placing it upside down and connecting it directly. This is called ‘flip chip’ ...

Soldering to a PC board can be tricky: Too much heat can make the copper trace lift right off the board substrate. Mike Allen gives you a quick lesson, from picking the right pencil to cleaning cop ...

The program, started in 2013, shows future workers how to work in clean labs, build complex circuits on thin silicone discs and how to solder those components into circuit boards and electronics.

Double your RAM, as a repairs workshop shows you how it's done - but this process involves some tricky soldering and in-depth messing with the BIOS chip.