Connect GoPro Hero 4 black edition to Arduino Mega

Hello,

I would like to know what kind of connector/board I would need to buy in order to connect my Arduino Mega to my GoPro Hero 4 BE.

Also if it is possible to connect them together, do you know if the pins allow you take photos whenever you decide to.

Thank you very much,

Taz.

I imagine the GoPro has a USB Slave interface.
The Mega has a USB Slave interface. A USB Host interface is needed. USB Host Shields are available.
I don't know anything about the GoPro and the format to send it commands to have it take a picture.