It does have a direct contradiction to an earlier Q&A post:
Quote:
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The serial port on the cRIO and the I2C port on the Digital Sidecar are not available for use this year. Nothing can be connected to these ports.
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And the new update says it's OK to hook sensors and custom circuits to:
Quote:
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E.Digital Sidecar PWM Out, I2C, Relay or Digital I/O ports,
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While it's not a rule change, it does appear to be a policy change. Not to mention that the Q&A answer forbidding use of the I2C is still up.