New build with recycled parts on a ridiculous budget 120cm*60cm work area

[Clive S]

I bow to your better knowledge - and the result of a straightforward experiment! Doesn't chime with the documentation or expectation, but if that's the way it works, then that's the way it works. Go to it, Desertboy, and do it Clive's way! I think that we're on the same page re input switches, though - connect between input pin and ground.

Neale I am an old fart now. I worked on the good old day of valves. So from what I had read on the forum you outclass me by miles

I spent hours some time ago with this card and thought as you did that the 12-24v was just for the 0-10v stuff. But there may be more than one version of the bob. Happy days.