I'll need to look thru my old boxes to see if I kept the samples and data sheets....its just where are the boxes.....soon as I can, I'll look for you and let you know. "Alan B. Pearce" wrote: >duh.....Sensirion also makes those, Oh, do they, I can find only humidity and temperature sensors on their site. Do you have a reference? Looking for alternatives before I commit to designing the LEM ones in. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --------------------------------- Boardwalk for $500? In 2007? Ha! Play Monopoly Here and Now (it's updated for today's economy) at Yahoo! Games. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist