At 09:40 PM 7/24/01 -0500, you wrote: >Greetings :) I'm having trouble with some LM35 Centigrade temperature >sensors... I'm simply trying to read them w/a multimeter and getting >annoying values. The Vss and Gnd are 5.12 and 0 respectively, and when >I go to read the Vout, I get between .667 - .733 V. Meaning my room is >a toasty 66.7-73.3C. Quite warm! This is happening with 3 separate >sensors! Not sure what my problem is... Any tips? Perhaps I'm reading >this totally wrong? Is it possible you have reversed +Vs (not Vss) and Gnd? Note that the data sheet (you *do* have the actual data sheet?) shows the connections from the bottom, not looking down through the top as is sometimes done. That number is suspiciously close to one diode drop. Best regards, =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com Contributions invited->The AVR-gcc FAQ is at: http://www.bluecollarlinux.com =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu