Hi, I have got a couple of Philips humidity sensors PN 2322-691-90001. Where can I find any datasheet and/or application notes. Seraching www.philips.semiconductors.com I have found no reference to such a part even no reference to humidity sensors :-(. Any ideas? Janusz -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads