> .... what I need is a 12-bit or 16-bit, > 8-channel data logger that can take at least 1 sample per second for all > 8 channels. If you are happy to "roll your own" you might get this accuracy using Scott Datallo's Sigma delta converter. This needs *any* PIC (with enough pins) and typically one capacitor and several resistors per channel. Search archives for "Sigma Delta". RM -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads