> For some sports I imagine this may be > important/useful to know and it might be good for sports equipment to > sample it accurately. For this reason I imagine sampling at a higher > rate would be better as it is more flexible - then you can keep the > peaks for the true maximums and also average the data in firmware over a > longer period. If you filter first the peak data is lost forever. > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist Important point - some systems do not provide useful power output data at a high rate. Integration of available signals, or proxies, or processed combinations thereof over up to seconds may be necessary for accuracy. Ask me how I know :-). Russell --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .