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This site has some pictures of the pinouts of various camera brands (also Nikon):http://www.doc-diy.net/photo/remote_pinout/#nikonYou'll just have to figure out which wire goes to which pin using a multimeter.
It's certainly possible. There are commercial products that do this, but it's not as trivial as pulling one of the pins to ground. Zooming probably involves some kind of serial communication over pins 7 and 8 of the multiport connector, but there isn't a lot more info available as far as I know (yet).You could always check this blog post - not my own - for more information:http://peterwedege.blogspot.com/2016/01/analyzing-sonys-new-multiport-protocol.html
usted específicamente necesita un adaptador Multiport. El USB suministrará energía pero no se conectará a los pines de enfoque / obturador.
Arduino intervalometer for Sony a6000 / A7
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