Quote:
Originally Posted by AustinSchuh
Bummer, thanks for the clarification. This just means that the 5V supply browns out, not the robotRIO's ability to read the digital inputs? I'm trying to figure out whether or not if we were to power the encoders another way, if that would fix it.
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Quote:
Originally Posted by Jon Stratis
I would imagine that the Voltage Regulator Module (VRM) would be more tolerant to voltage drops. It provides both 5V and 12V regulated output, but I don't know what the specs are for brownout conditions on it.
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However, since the DIO signal pins are pulled up to the same 5V supply in the roboRIO, I'm sure they will have the same brownout behaviour as the power pins. It doesn't matter if the encoder is powered if you can't read when the signal is shorted to ground.