(...) Here's the drawing of the pneumatic circuit of my 4-function Pick and Place robot: (URL) Robot pictures here: (URL) The drawing should make the circuit easy to reproduce, as long as you have enough parts! I've included a state table so you can (...) (20 years ago, 15-Feb-05, to lugnet.robotics, lugnet.technic, lugnet.cad, lugnet.announce.moc)