@renevanbelzen That's interesting. I'm ok at following instructions on the whole, and I guess that my hand-eye co-ordination has probably improved a bit with sewing. I hadn't even plugged a soldering iron in before this project, but I found that once I got the feel for how long to heat something and how to handle the soldering wire, I got on pretty well. I do need a magnifier in future though - my ageing eyes did not thank me for having to stare at tiny components!