On Thursday 12 May 2005 11:48 am, Padu scribbled: > > > Out of curiosity... if you have a PID, wouldn't you have three constants > (Kp, Ki, Kd)? That's when you're doing PID *control* -- I've just implemented filtering using the proportional part of the equation for display output. Cheers, -Neil. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist