... and other boards, but I don't have a recent pic. The green boards are tam valley frog juicers the red ones are my own design DCC dropper connector boards Attachment: attach_2742_2547_BFAC5314-300C-43E2-ADD7-15435F254590.jpeg 373 Last edited on 11 Sep 2018 09:24 by madscientist posted: 11 Sep 2018 09:50 from: Tony W Andrew ... wrote: Tony W wrote: Hi Andrew. Can't believe how this thread has grown since my last comment at post 117, but glad Andrew has reached some conclusion. My only further comment regards the perceived problems with micro switches. I have used them on several occasions and once set up have generally performed reliably. I don't use them for crossing polarity ... but as limit switches. I have had failures with some on Green Street, but that was after 30 odd years use, so perhaps to be expected. Being a non DCC person, I have also learnt something as 'Frog juicers' were a mystery before. As an aside, I am custodian of the Nottingham Area Group's test track at Scaleforum this ...