Not sure if you did send the replacement boards, never arrived but no worries. I found the missing ones in the van, after checking 4 times, I randomly found them, one had wedged itself between hand break and seat, after spotting that I found the other had made it into the battery compartment between the two batteries.
Anyway, all but finished, not tested far and not with a clock but I dependent outputs are OK. Merge is only doing one Bus, I suspect something on the duino may be up as an SMD came loose as I was realigning the headers.
In hindsight, for the female front panel header I think I would use a normal one as there is very little contact with the slimline one.
