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nwt1976

Wrx v5 pnp 5 volt output

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Im installing pressure sensors using expansion connector but having problems with 5 volt output. Possible short circuit?

How many sensors can you run off one 5V output pin?

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4 minutes ago, nwt1976 said:

Im installing pressure sensors using expansion connector but having problems with 5 volt output. Possible short circuit?

How many sensors can you run off one 5V output pin?

Its either 4 or 500mA from memory so you will have a hard time overloading it.  Most common pressure sensors are about 10mA, so should have enough juice to power at least 30.

So most likely a short.  You can view the 5V output on the runtimes screen, so you can watch that while pluging in various sensors to find where the problem is. 

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