Put one or more thermal fuses in the heated area that cut power to the
entire device and sound an alarm above certian temperatures.

There's nothing like having a non-intelligent failsafe - search for and
read about the Therac 25 radiation problems.

-Adam

Tom Messenger wrote:

>At 08:36 AM 8/10/2003 -0500, you wrote:
>
>
>>Hi All,
>>
>>Has anyone some experience in Baby Incubator Controllers using PICs ?
>>
>>Regards,
>>
>>Augusto
>>
>>
>
>No.
>
>But I did once work for a company that made "Baby Incubator Controllers".
>Fortunately, it was a different division of the company (we made
>spirometers). The other division had one of their controllers malfunction
>and roasted a baby to death.  The bad taste joke was that in the future,
>they would ship a case of barbeque sauce with each incubator.  If you are
>working in this area, always think about failsafe operation.
>
>Tom
>
>--
>http://www.piclist.com hint: PICList Posts must start with ONE topic:
>[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads
>
>
>
>
>

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads