Just Follow the Wiring Diagram in the schematics. Then connect the necessary wires with the Arduino UNO. In the picture I have mentioned the necessary connections for the motor driver.Ĭonnect the IR Sensors as I showed in the photo. Next, you have to remove the Jumper shorted connectors from the motor driver for the next step of connection. But in that case, the wiring schematics will be different. You can also use any other microcontroller as your wish. In this project, I am using Arduino Uno as a Microcontroller. You can also clearly see where to connect the battery wires. The battery wires will be connected with the motor driver input wires. I also added a switch for turning on/ off the car. For connecting the batteries I am using a 2s 18650 Battery holder. This is great for making this type of car. And it will just work just fine.įor the Battery, I am using 2, 18650 batteries. Note: After uploading the code if the car is not going in the right direction or if it is rotating in the wrong direction then just change the motor wires. and avoid any type of loose connection.Īfter connections all wires will look like this. Now connect the motor wires with the L298N Motor Driver. I used double-sided tape for connecting the L298N Motor driver on the Plywood. Here I provided both side pictures for you to understand clearly what is going on. This is because we have to make the car in such a way that two side motor rotates in same direction in order to go Forward Backward and other known directions.Īfter Connecting motors, the connection should look like this. We will connect the motors in criss cross pattern. Now connect the TT Gear Motors as shown below. Make sure when you are attaching the motors then the motor alignment should be correct. Now attach the motors on the 4 corners of the Plywood with a Glue gun or any other glue. You can also use an Acrylic sheet or Premade chassis also. These dimensions are ideal for making a TT Motor Car. Here I am using 13CM x 10CM Plywood as the car chassis. Schematics for Arduino Line Follower Robot Car:įirst, we will need a wood piece as the car chassis. The microcontroller gives the direction to the car where to go and then when to take turns (Left or Right) and where to stop ( I created the code in such a way if the 2 sensors get Black Surface then it will tell the microcontroller to stop the car.). And if there is no reflection then the IR sensor will not give any output or in other words, the output will be low.īased on this High and Low Output results the microcontroller can control the car. then only the sensor will give the output(Output two types. The working of the sensor is that it senses is there any reflective light coming back or not. ( The non-reflective surface is the black lines only.) It means that that black tracks don’t reflect any light back. In this case, the reflective surface is the White surface. Here reflection means the surface sends back the light. This sensor senses the line color is reflective or not. Let me tell you in detail how the thing works. This is a simple Microcontroller-based car. How does the Line Follower Robot Car work? This will be a basic line follower robot project report ppt.Īrduino Line Follower Robot with IR Sensor, Arduino Uno and L298N Motor Driver But there will be limited functionality and the stopped will be lower than any microcontroller-based vehicles.īecause the data processing power of the Microcontrollers is greater than simple Op-Amp ICs. But it is also possible to develop a line follower robot without a microcontroller. This project is based upon a microcontroller more specifically Arduino. That follows a visual line (Most likely white or Black) that is embedded on any floor or any surface. The name Line follower name suggests a Fully Automated Car. In this short descriptive article, I will show you how to make a Line Follower Robot Car using Arduino UNO and 2 IR Sensor Modules.
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