SMD soldering – At first, I tinned all the circuit board pads for the SMD chips before trying to mount them. That was a mistake. With both pads for chip tinned, heating up one end of the chip caused ...

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 ...

So, I installed a new DC power jack on a laptop motherboard. Being the genius I am, I thought I would add a little epoxy around the jack on the top of the board to ensure it stayed put and didn't ...

Anyone who’s spent significant amounts of time salvaging old electronics has probably wished there were a way to take apart a circuit board without desoldering it. [Zeyu Yan] et al seem to have had ...