Raspberry Pi - RetroPie PS3 Controller BLUETOOTH - YouTube
Pi3にRetroPie : てきとうにブログ
I built this RetroPie and I'm having trouble mapping out my controller in RetroArch, it's fine in emulation station but when I play games I pull the joy stick left it resets
How to connect your Bluetooth Games Controller to your Raspberry Pi using RetroPie • Pi Supply Maker Zone