Mariss instead of writing your reply in the post reply box use the post reply button on the last message to respond and attach the file through the enhanced menu. A cross coupled SET - RESET FLIP FLOP by any chance? I wonder how it will respond to the poor pulses.

I.J Just wait until I start asking all my questions....ACME screw 1 start, 2 start , 4 start what is better and so on. I think I will be the one getting confused. I really have to stop designing the electronics for my machine and get on with the mechanics but electronics is fun as well.