robotic arm

So I am designing and building a 6 axis robotic arm and I really need help finding the right library and communication method to talk to the bus servos I have installed. This is the product page and this is the google drive with the documentation that the manufacturer provided. I also put an...

I am coming up with a project - Robotic arm rover by using Arduino. I decided to use a PS2 controller to control and send command. The wireless connection range is around 10 m. Is there any way to work around so that the wireless range can be boost up to 300 m at least? Is there any add on...