Quote Originally Posted by depronman View Post
Looking at the video I can see the arduino at the top and a four relay board below it
What are the two green boards at the right hand middle ?
I can make out what I think are proximity sensors at the very bottom.
What are the three units on the Din rail that light up?


Sent from my iPhone using Tapatalk
Green boards are opto couplers from memory. I have it all in a box somewhere, can check over the weekend.

The din units are just relays.