Yes, we can pick up on how red is your figure to determine oxygenation level.
No, unless you expose the sensor to sunlight for long periods.
Not yet, we may be able to calibrate it to do so. However, it will not measure the luster of the metallic surface.
Yes, you can using our API for iOS. You can find it at: https://bitbucket.org/variabletech/libnode-ios-public/
We will add the Chroma functions to our NODE API soon.
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