^ This ingenious Combo Cable connects to your Hero3 camera’s USB port to enable composite video out, 3.5mm mic input and USB connectivity.For use with Hero3 cameras onlyIncludes: One Combo CableNew
List Price: $ 39.99
Price: $ 39.99
Bikewagon Gopro “Gopro Accessories”
Build tutorial on how to build a video out usb cable for the Hero 3. This cable is used for people that want to do FPV (first person View) radio control flying from their plane or helicopter. The optional cable you can get from go pro is very heavy and bulky. you can build this cable for less than and have exactly what you want.
if you got a shiny new hero 3 for christmas but cant use your old go pro video out cable because they got rid of the 2.5 video out, then check out this video and make your own.
Much of the information came from an article posted on the flitetest.com web site in this article. Check it out.
I changed how the resistor is attached compared to the flitetest.com article.
this is a link to the web site to purchase the parts you will need
GoPro Hero3 Combo Cable