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Topic: Nano v3 logic analyzer (problem?) (Read 62 times) previous topic - next topic


Hello  :)
I have one Nano v3, i've uploaded the logic analyzer schetch then i have connected:
  • The GND of the nano to the GND of one I/O board.
  • Pin 8 to pin 12 of the nano to a 1k R then to the pin i want to analyze.

If i turn on the I/O board the PWR led on the Nano turn on...
But the USB is unplugged and there is only the GND connected, there is nothing on the vIN and +5v
Why the PWR led turn on ?

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