From: "Peter L. Peres" >>The solenoid is supposed to 'let go' as fast as possible when >>power is switched off. > Brake ... put a zener specced to as high as you dare in series with it > (Vzener < Vceo - Vsupply) . > Peter Thanxs, that word looked funny but I couldn't get it right. Ok, Zener seems to be the way to go, I'll give that a try once the PWM-program works :-) > Will you post a photo of it ? > Peter Sorry, I don't have a digital camera yet :-/ /PJ -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics