“You’ll learn how to construct your first Arduino robot car and create your chassi.
In the field of robotics, electronics, or electrical engineering, line-following robots are well known due to the competitions that encourage learning in this medium.
Each competition has its rules, which specify the level of programming and electronics with which the robots must present themselves.
The rules specify among the electronic components that may or may not be integrated into the robot, and depending on how the assembly will be made, and what equipment will be used, the developed programming may or may not be advanced.
Depending on the devices that are used, the better is to develop a structure that behaves in the best possible way.
Among the devices that can be part of the development of the robot, are the infrared (IR) sensors, the drive for the motors, the ultrasonic sensor, and the Arduino development platform. Figure 1 illustrates a line-following robot model using some of the aforementioned electronic devices.
In the development of this teaching robot, two line-tracking infrared (IR) sensor modules were used, the ultrasonic sensor, 4 dc motors, 4 wheels, the motor drive, and the Arduino UNO.
The Arduino robot car structure was developed to support the IR sensor modules, which will emit a signal when there is variation between white and black, which depending on the path configuration, one will be the color of the strip describing the path, and the other will be the color of the outer region.
In this context, the Arduino will be responsible for driving the motor drive, controlling its straight path, and when there is a curve, or when the Arduino robot car leaves the path. And if there is an obstacle in the path of the robot, the ultrasonic sensor will be responsible for detecting it.
In this article, you will understand the assembly of the robot, as well as know its mechanical structure, which was fixed by means of fittings and the set of screw and nut.
Therefore, through this article you will learn:
To know the structure of the Line Follower Robot using the infrared (IR) sensor module, the ultrasonic sensor, the wheel motors, and their drive and the Arduino Uno;
To analyze the fixation of the mechanical structure of the robot’s case by means of screw, nut, and fittings;
To understand the importance of each part of the robot structure for the project as a whole.
Understand the operating logic of the Line Follower Robot.
Now, we will begin the complete presentation of the development of the Line Follower Robot.”