> Listen for a 'click' when the motor first starts, or spins down. That > would be a motor with a centrifugal switch I've a couple of larger motors which have quite an audible click, and this small one doesn't, so I'm reasonably confident it's not switched - Marcel - Thanks for the pdf. I've had a read, informative --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .