hi,Wireless-controlled robots use rf circuits, which have the drawbacks of limited working range, limited frequency range and the limited control. Use of a mobile phone for robotic control can overcome these limitations. It provides the advantage of robust control, working range as large as the coverage area of the service provider. How can i connect mobile to arduino board??
The project you linked to is a perfect example. What does it matter if the phones allow you to control the robot from miles away if you have no means of feedback once it's out of your sight. How do you control something if you don't know where it is and what's around it?
Can you just connect the arduino to the cell phone's audio jack, like when listening to a phone call with ear plugs?