Looking for recommendations for the best temp sensor that meets the followi=
ng criteria ( listed in order of importance )

Accuracy is .5C  + or - .25 C
Range is - 20C to 75C
Long term stability
simple interface such as  i2c, SPI , voltage , current , resistance ..... s=
impler is better
Low price
no external parts
no calibration

Can be slow ..... 30 second update   .... can be as large as golf ball

Thanks
Gus
--=20
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