3V3 digital signal to the cRIO

[Thad House]

Originally Posted by yash101

That could be true. I am kind of comparing to the BASIC stamp which has 5v I/O. Just stay safe and buy a cheap level shifter. $5 could save you from buying more $35 RPis, so being safe-than-sorry would also be the cheaper way in this case.

Is that true that the pin is held up? That reduces some of the nightmares I have, about limit switches having the pins floating, so thanks

Yeah they include a 10k Pullup to 5V inside the sidecar.

Here's the schematic.
http://www.usfirst.org/uploadedFiles...matic%20v7.pdf