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We are glad you found your way around and came here, just like our robot. Today, we bring you a robot that uses an Ultrasonic Sensor to detect obstacles in its way and finds its way around. So read this article of the Arduino Car Series, till the end, and learn to make one on your own. What is Ultrasonic Sensor? The ultrasonic sensor is an electronic device that measures distance by using ultrasonic waves. It is an application of SONAR (Sound Navigation and Ranging). Ultrasonic Sensors measure the distance to the target by measuring the time between the emission and reception. To learn more about it, click here . Make Your Obstacle Avoiding Car! Required Components The components required to make this project are: 1.       Arduino UNO 2.       Motor Driver L298N 3.       Car Chassis 4.       Ultrasonic Sensor 5.       12V Battery Pack 6.       Jumper Wires Circuit Diagram Connect the components as shown in the circuit diagram below. Project Code Following is

  Remote controlled and autonomous cars fascinate everyone. And being able to understand their working, and most importantly, being able to make them is a wonderful skill and experience. Therefore, in this project, we will learn to make a joystick-controlled car using Arduino.  Joy Stick Working Mechanism   The Joy stick we'll be using is similar to one in your gaming controllers. We can move it horizontally and vertically. Additionally, it has a push button. The horizontal and vertical displacements of joysticks are tracked using VRx and VRy pins respectively. And the state of push-button, 1 or 0 is tracked via SW pin. The image below explains in more detail how the output of the joystick changes with a change in the joystick's movement.  Hardware Assembly of Car Coming to hardware of car, it can be divided into two parts, assembly of chassis and components and circuit patching. You may refer to video at the end of article to get visual representation of assembly and circuit p

  Remote controlled and autonomous cars fascinate everyone. And being able to understand their working, and most importantly, being able to make them is a wonderful skill and experience. But, before we jump onto that, it's important to learn about two key components of such cars, MOTORS, and MOTOR DRIVERS. Explaining in the simplest possible way, MOTORS are output devices used to rotate wheels, by using electrical power. And MOTOR DRIVERS are modules used to control the direction of rotation of motors, clockwise or anti-clockwise, and speed of rotation of wheels.  We will now make a simple project, in which we will control our motor's direction using a motor driver, L298N.  Hardware Components Required 1- L298N Motor Driver 2- Arduino 3- Motor 4- Wheel 5- Jumper Cables 6- Battery (9V) Checking Motor and Motor Driver Before starting any project, make sure your hardware is working correctly. The following method may be used to check for motor and motor driver's basic working.

Have you ever wondered how Obstacle Avoiding Cars work? Or How can you measure the distance of an object with a sensor? In today’s article, we bring you detailed documentation on How can you measure the distance of an object with sound waves. Moreover, you will learn to make a simple yet cool parking system in this article. Ultrasonic Sensor An ultrasonic sensor is an electronic device that measures distance by using ultrasonic waves. It is an application of SONAR (Sound Navigation and Ranging). Ultrasonic Sensors measure the distance to the target by measuring the time between the emission and reception . Working of Ultrasonic Sensor One end of the Ultrasonic Sensor is a transmitter, and the other is the receiver. When we initiate the trigger pin, it emits ultrasonic waves. If there is an obstacle in the way of these waves, ultrasonic waves bounce back and diffract to the receiver end of the Ultrasonic Sensor. When these waves fall on the receiver, the echo pin initiates and