I've recently brought the px4fmu and px4ui boards. The px4io requires me to solder a power socket and headers onto it.
However there are surface mount components very close to the holes/pads. Also the pads are not silver (see below, points marked in red are of primary concern).
So my question is, how do I go about soldering these without affecting the nearby components. Do I need to tin the pads first? Is 370 Celsius okay for the iron? Do I use the rather thickish chisel tip or go to a fine point?
I'm not the most experienced at soldering but I've done a bit of reading and experimenting on soldering, so I understand the basics (solder applied op the tip of the soldering iron, heat up the wire/pad first, etc). I just cannot find any info on how to handle the situation I find myself in. The closeness of the pins on the header also seem like trouble to me 🙁
Best Answer
There is a variety of different coating/finishes used for solder points. Silver, Tin, Gold, hybrids are all common. All depends on need/cost from the manufacturer.
Just solder as normal. Flux, Tin, Solder.