Photoeye's not working-Difference between RoboRIO and Digital Side Card?

[Alan Anderson]

Originally Posted by tr6scott

Seems to me the hardware design team on the roboRIO missed the mark, by not providing the same sensor interface we had on the cRio. I mean backward compatibility to existing sensor base would have been as easy as selecting a different resistor?

It wouldn't quite have been that easy. The 3.3v input port would have changed things regardless of the pullup value chosen.

For this specific situation, we're fortunate. It takes very little effort to add an appropriate pullup resistor to the roboRIO end of the cable.