This is an autonomous robot that works on the instructions given by user located away from robot. RF link (433 MHz) is used for communication.

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User sends (using transmitter) signal specifying serial number of the object which is brought to him by robot. After reception of this signal by receiver robot will pick up the objects placed at predefined locations and put them in trolley which is fixed one it's body.

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AVR microcontroller 'ATtiny26' used to process signals and motors (4) for driving robot using driver IC (L293D). Driver IC is also used for driving gripper and arm of robot which operates for picking and placing the objects into the trolley. Robot starts at start position and after completing tasks send by user it returns back to start position automatically.

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