No, amplify it with an opamp first.
Some atmels come with up to x200 internal amplifier now, not sure if
that would work.
ST
On Tue, Dec 29, 2009 at 1:06 AM, sailingto <sailingtoo@...> wrote:
> Stefan, are you saying connecting a Type J (or K) Thermocouple direct to an analog input pin using a PIC12F683? What about a AVR chip such as a ATmega168 or similar? Perhaps using the internal 1.1 reference voltage? I wasn't sure the analog input would be sensitive enough to read the low mV of a thermocouple.
>
> Thanks for any input.
>
> Ken H>