Quote:
Originally Posted by Alan Anderson
The connection you describe is correct. However, the NPN part is a sinking output. It won't source current.
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Thanks. So, the sinking output of the PE (it's providing to neg/common) needs the sourcing input of the GPIO; hence, connecting the PE's white or black wire to pin 1 (SIG) of a GPIO is correct. I get, and then when it comes up later my head gets twisted over it again.
Thanks, Alan.