Introduction: Line Follower Robot Without Arduino

Picture of Line Follower Robot Without Arduino

In this instructable I will teach you how to make a line following robot without using arduino.I will use very easy steps to explain.This robot will use IR Proximity Sensor to follow the line.You will not need any kind of programming experience to build this robot.Only,some interest could make it...

Parts needed:-

Chassis(including wheels and motors)

IR Proximity Sensors(pair)

Jumper wires

Breadboard(for connections)

L293D IC(motor driver)

You can understand how proximity sensor works:- How Proximity Sensor works?

Step 1: Assemble the Chassis

Picture of  Assemble the Chassis

You can buy any chassis(or even make your own).Most of the chassis come with an instruction manual so build your chassis according to that.Attach wires to the motor pins and keep ready.Also attach sensors(pointing down)to the body and also stick the breadboard on the chassis(shown above).

Step 2: Attaching the L293D on the Breadboard

Picture of Attaching the L293D on the Breadboard

Attach the L293D on the breadboard as shown in the diagram.Make sure that both of the sets of legs of the IC must be on different sides of the breadboard or else they may get connected.If you are a new to breadboard,check this out How does breadboard work?.

Step 3: Main Connections

Picture of Main Connections

Now make the final connections by referring the diagram below.If you have any queries in the diagram,please comment.

Step 4: Test Run

Picture of Test Run

Now,its time for testing our robot.Make a black line on any white surface and test it out.

Note:- The line must be atleast 5-6 cm thick or else the robot will cross the line and won't be able to follow it.

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