GSM Controlled Wireless Robot

Major Project

Posted by: Aamir Habib
Posted on: 14 August 2014

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Team Member

  • Muhammad Farooq
  • Muhammad Shoaib Siddiqui



  • Department: Electrical Engineering
  • University: IST Institute Of Space Technology
  • City: Islamabad
  • Country: Pakistan


19 Jun 2013 to 14 Aug 2014


The most important issue in today‟s world is the range of communication of electronic equipment. This paper reveals the design and implementation of a wireless robot whose motion is controlled via phone Call and SMS (Short Message Service) technology. The research aims to develop a mobile robot, exploiting the GSM technology in a network for remote control and communication purposes. The robot (tri-wheel) will be used basically for surveillance purpose in areas where human presence is dangerous. Two DC motors are used to move the tires. Two L298 H-bridge ICs are used to drive the motors.
The robotic motion will be controlled via SMS and Call using mobile phone as command center. Robot is capable of receiving SMSs and calls via GSM module (SIM 900D). In case of call, if any button is pressed a tone corresponding to the button pressed is heard at the other end called „Dual Tone Multiple frequency‟ (DTMF) tone. The robot receives these tones with help of GSM module placed on it.

Command interpretation is done with the help of a microcontroller (PIC16F877a). After completing the required task, the robot sends back a confirmation message to the command center i.e mobile phone. Ultrasonic sensors are also placed on the robot for obstacle detection. The work presented in this paper is about the system design and performance analysis along with discussion of some vital parts of the system.


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