I did an air quality monitor (with a 16C622)
the sensor was from Figaro, not sure if they have a web site..
I think they have good CO sensor


Figaro USA Inc,
1000 Skokie Blvd. Suite 160
Wilmette, Illinois 60091

708-256-3546





>> It's that time of the year that Carbon Monoxide can become dangerous.
>>  Ideal project for a PIC.  Problem, where can you get Carbon Monoxide
>> detectors?
>
>I don't know how the detection module itself works, but FYI the First Alert
>brand CO detector with LED digital readout uses a PIC 16C57 (socketed).  It
>also has an empty 8-pin socket (I'm not sure what that's for unless it
maybe
>can hold a 12C508 for use on a display-less model?)
>