How robot is made
Robots spin wheels and pivot jointed segments with some sort of actuator. Robots use various types of actuator. Electric motors and solenoids are used in some robots as actuators. Hydraulic and pneumatic system are also used in different types of robots. Pneumatic is a system which is operated by compressed gases. In order to operate these actuators, a robot requires a power source. Most robots are operated either by battery or plug into the wall. For pressurizing the hydraulic fluid, a pump is required by a robot. An air compressor or compressed air tanks are required for pneumatic robots.
Everything associated with the circuit are controlled by the computer of the robot. The computer switches on all the necessary motors and valves for moving the robot. Most of robots are re-programmable. You can change the robot's behavior of the robot by simply writing a new program to its computer.