help on building the robot
i want to built a robot that is able to do avoid obstracles using the ultra sonic sensor and the robot is controlled by touch screen, i like to implement wall following modes and door passing modes using the sensor. for this do ros provide code to implement control of the robot?? but i found some codes in java from the book "linux robotics" by d.newman but that book use RTLinux os how to re use those code in ros?? since iam planning to use ping sensor how i can interface it to pc where ros is running?? usb ? how? im intrested in adding some navigation algorithm to make the robot autonomous or semi autonomous atleast?? i gone through d* and polar mapping algorithm?? but dont know how to implement it using ros?? please give some links,books, circuit links