Oh my lord! My shin pales in that comparison, sorry to hear of your dear wife' unfortunate incident Colin. That is a painful one, take care of her, wishing her well mate.
Now complete
Arduino and switch wiring in the head
This was using the DuPont cables which broke away from the solder when I fitted the top plate. I replaced the wires with silicon wires and soldered the ends to a 90 degree header pins to help with clearance.
I will finish with a parts list, tools needed and some tips