I must have messed something up. Here's the click-able URL:
https://ogrforum.com/t...al-with-lionel-153ir
By "IR approach", do you mean with an ITAD, or with a roll-your-own IR LED, IR phototransistor, resistors, etc.., or ?
whats an ITAD?
I know the Phototransistor approach with IR LED