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He has groud and visual sensors
demonic possesions
The robot has sensors in its base that detect to difference in brightness between the white surface and the black line. It is programmed to stay on the black line by computer software.
Robotic devices can have whatever sensors the designer WANTS them to have. A robotic device can be as simple as performing a basic operation, such as swinging an arm through a 90 degree arc whenever an event occurs, to as elaborate as a humanoid robot that walks and performs basic tasks. The builder of the robot may wish to include a photo-sensor, that detects when a light beam is interrupted, or pressure sensors that detect when and how hard a robotic manipulator (imagine a hand) grasps an object. A robotic device can have temperature sensors, position sensors, angle sensors, voice recognition modules, television cameras that are connected to visual processors... as I said, whatever the designer wants to implement. But recognize that as the degree of complexity of your robotic devices increases, so too does the development time and the potential for component failure.
The factors are the motor, round wheels, and the right programming.
the fork on the left
The sensors that an engineer puts on a robot are entirely dependent upon the functions that the engineer perceives that the the robot will be called upon to perform. Some, but not all, of the sensors may be: proximity sensors, pressure sensors, light sensors, magnetic sensors, a camera, temperature sensors, accelerometer, speed sensor... The question isn't, "what sensors does a robot have", but rather, "what sensors does the engineer think that the robot should have?"
Robot sensors detect different things and send different amounts of electricity to the Robot's controller board to tell their findings. Then the controller board uses these different amounts of electricity to interact with its surroundings. Example: Lets say you have a robot that is made to follow light. Lets say your robot has 3 light sensors. One in the front of your robot one on the right and one on the left side. The sensors will detect how much light is on the front, right, and left sides and send this data to the controller board. Then the controller board uses this data to tell the robot with direction to go.
He has groud and visual sensors
Alot of them use a sonar-like sensors that emit soundwaves to help them "see".
not all do, but most do
nope
Yes, of course. Sensors are necessary to check own status and/or of any object (like human target). Without sensors any robot is not able to search, find, indentify or even to move in difficult area. Sensors are important to receive feedback for the human, who is steering a robot. If robot is at automatic drive (no human is steering - only on software running) sensors are also very important to the robot to get any information about the outside, the surrounding of it.
It has gears, a mother board or controller, sensors, and a battery.
Using sensors it was programmed to use.
a robot is a machine that moves and talks
It is a robot that learns from what people say. Kind of like the robot in the incredibles...it learns more moves when a human does them