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444 LFR Project Report - Line following robot

Line following robot
Course

Electrical engineering (EET301)

121 Documents
Students shared 121 documents in this course
Academic year: 2022/2023
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Rashtrasant Tukadoji Maharaj Nagpur University

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Line following robot

Line following robot is an autonomous robot which detects and follows the black line

drawn on the white floor. It uses 2 IR sensors to detect the white/black surface and

transistor based motor driver is used to send the command to motors.

Line following robot – Schematic diagram

Components used:

 2 BO Motors (150 RPM)

 2 Wheels

 2 Transistor base motor driver (BC-547)

 2 IR Sensor

 Chassis

 9v Battery

 9v Battery connector

 Switch

 Jumper wires

 Screw and nut-bolt

 Other components

Concepts of IR sensor based Line Follower Robot

Concept of working of line follower is related to light. We use the behavior of light at black

and white surface. When light fall on a white surface it is almost full reflected and in case

of black surface light is completely absorbed. This behavior of light is used in building a

line follower robot.

When both left and right sensor senses white then robot move forward.

If left sensor comes on black line then robot turn left side.

If right sensor sense black line then robot turn right side until both sensor comes at white

surface. When white surface comes robot starts moving on forward again.

If both sensors comes on black line, robot stops.

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444 LFR Project Report - Line following robot

Course: Electrical engineering (EET301)

121 Documents
Students shared 121 documents in this course
Was this document helpful?
Line following robot
Line following robot is an autonomous robot which detects and follows the black line
drawn on the white floor. It uses 2 IR sensors to detect the white/black surface and
transistor based motor driver is used to send the command to motors.
Line following robot Schematic diagram