cleaning up edge connectors

[Jonathan Chapman]

> Copper? Mine all look like solder. Probably copper underneath but
> the exposed part is lead which probably explains why they seem to
> corrode so easily.

Ah, yeah, if they're finished in matte tin or HASL, I just reflow leaded solder on. A little bit of Superior #30 flux will make it flow nice and flat. If you don't have liquid flux suitable to it, put solder on and remove excess with solder wick.

Thanks,
Jonathan