I just came across this... might be of interest. http://tech.yostengineering.com/servoFolder/?gclid=CInK0PzIhKoCFYpB4Qody0INzw Roy. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.simpits.org/pipermail/simpits-tech/attachments/20110716/7012da01/attachment.html