PNP versus NPN sensors - Page 2

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PNP versus NPN sensors

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05-02-2016, 20:10

Tom Line

Raptors can't turn doorknobs.

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PNP versus NPN sensors

Disclaimer - I am not an electrical engineer.

It's my understanding that NPN style sensors sink to ground. I.e. - if you plug the signal cable of a NPN into the roborio DIO, it will pull the signal pin to ground and roboRIO will "see" it.

How would you go about hooking up a PNP sensor to the roboRIO?

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