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Forum Post: RE: Reading a serial signal

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I have noticed that this operation demands a 16-bit Sigma-Delta analog-to-digital converter. I know the msp430f2274 has a bunch of 10 bit ADC but does it have the 16-bit Sigma-Delta ADC? I've looked through the data sheet but I didn't find it. If it doesn't what do you think I should do? I am hoping to detect human presence. I think the best way would be a non-contact solution. Therefore, I thought an IR sensor would be the best. Do you agree? If I had to get a different kind of IR sensor what do you recommend?

-Thanks a bunch!


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