I'm sure the military is using sensors like this to detect organic compounds in anti-NBC warfare devices. Only problem is it will cost you $2.3 million to detect that fart. >--- Bob Blick wrote: >> I was thinking the other day how nice it would be to >>turn on the >> exhaust >> fan in my bathroom, but the switch was temporarily out >>of reach. That >> immediately got me to thinking about how hard it would >>be to >> implement an >> "electronic nose" that could activate the fan >>automatically. I have a >> feeling it wouldn't be a trivial thing, but perhaps >>something already >> on >> the market has a sensor that could be modified to suit >>the purpose. >> >> Any ideas? >> >> Cheerful regards, >> >> Bob >> >> -- >> http://www.piclist.com hint: To leave the PICList >> mailto:piclist-unsubscribe-request@mitvma.mit.edu > > >===== >Chuck Hellebuyck >Electronic Products >chuck@elproducts.com >**** Home of the BasicBoard Development Platform********* >Great for learning, teaching and developing electronic, >programmable >robotics and other embedded applications. Starter >packages from $149.95. >http://www.elproducts.com > >__________________________________ >Do you Yahoo!? >Exclusive Video Premiere - Britney Spears >http://launch.yahoo.com/promos/britneyspears/ > >-- >http://www.piclist.com hint: To leave the PICList >mailto:piclist-unsubscribe-request@mitvma.mit.edu -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu