> to SD within your specifications (100kbits/s). You can also use a USB hos= t > and save it to usb flash drive. > What worries me is if you want to implement a selective algorithm > that logs some of the data 100 kbps is only a 5.25" floppy diskette full per hour. Change diskettes hourly and he'll be fine :-). Hey, the data rate may even be high enough with care :-). (Write rate on-track is OK. It's the track to track stepping that may kill you. ) Or 3 weeks continuous on an 8 GB SD. R --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .