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 ...

And here we’ve been complaining about Flat Pack No-Lead chips when this guy is prototyping with Ball Grid Array in a Wafer-Level Chip Scale Package (WLCSP). Haven’t heard that acronym before? Neither ...

This is the most complex or detailed soldering I've done so far, the QFN20 package is very small but still not impossible to ...

A new type of solder can be melted and shaped in three dimensions under the force of a weak magnetic field. Using a magnet to pull the solder up through narrow holes makes it possible to create ...