On 14/02/2011 15:26, Nathan House wrote: > So, if a PID doesn't work well enough, would a dsPIC or PIC32 handle a > Kalman filter better? The CPU needed for any DSP depends roughly on sample rate x filter=20 complexity x accuracy A modest CPU thus can do any filter very slowly as long as you don't run=20 out of RAM for intermediate results / pipeline / samples --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .