Build a Robot Car

2023 How to Build a Robot Car Step by Step Full Guide

Build a Robot CarIn this article, we will demonstrate how to construct a robot car from scratch making use of just commonplace materials. We’ll show you how to build a robot automobile from scratch and describe all of the components you’ll need. So that you may have fun racing it around your neighbourhood or driveway, we will also include instructions on how to assemble and operate your robot car.

Is the idea of a self-driving robot automobile something you’ve always wanted to see? Building one requires only a few inexpensive electronic parts, an Arduino microcontroller, and some simple cut-and-paste code. Even if this is your first time soldering or learning to code, you should take advantage of this opportunity to get experience in these areas. Did you ever wish you could build your own robot automobile and see it drive around? In this manual, we’ll show you how to build your own robot car and select upgrades to give it greater capabilities. If you have never attempted anything like this before, this guide can help you learn some basic programming and improve your hands-on skills.

How to Build a Robot Car?

Anyone with some mechanical knowledge will find the process of building a robot automobile to be both thrilling and hard. Following the steps outlined in this blog, you will be able to construct your very own robot car and learn about the many technologies and parts involved. We’ll walk you through the process of building your own robot automobile, from selecting the correct components to wiring it all together. This site, then, is an excellent resource for anyone planning to construct their own robot car.

Whether you’re an engineering student creating a multi-terrain vehicle or an electronics enthusiast showing off your talents, producing a wireless RC robot car is vastly superior to making a wired robot, which you will have to follow when driving. Indeed, robots aren’t the best choice for this task. Robots are defined as autonomous machines that make choices in response to input from their environment. You have a long way to go before you can confidently announce to the world, “I construct robots,” but you have to begin somewhere, right? This blog lays out an easy-to-follow plan for constructing a raspberry pi robot car using only the barest minimum of parts and the simplest of motors.

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Building your Chassis

The first step in making your own robot automobile is putting together a chassis. Here, we’ll show you how to construct a frame for your automated vehicle. We’ll talk about what you’ll need to get started, from raw materials to tools, and the processes involved in building them. In addition, we’ll share some pointers on how to make driving and speeding up your robot car less of a chore. So if you’re interested in learning how to construct a robot automobile chassis, keep reading!

Build a Robot Car
Build a Robot Car

Step 1: Material preparation

To put together your electric vehicle, you will need the following parts and pieces. Please read these instructions carefully before attempting to install this component in your vehicle if you are unsure of how to determine the correct model number.

  • Two motors

There are several different motors available to you in the JGA-25 series. Versions of the JGA-25 series motors equipped with an encoder can be used to determine the vehicle’s velocity. The TT motor option is also available. Although its performance is inferior to that of the JGA-25 series motor, it is significantly less expensive.

  • Two wheels

If we want to use a specific engine, we’ll also need to choose the right wheel. The TT motor requires the use of the TT DC MOTOR WHEEL. This product is a great choice because it is both high-quality and inexpensive. When the Couplings Kit is swapped out for anything else, the 6514A freewheel becomes compatible with both the TT motor and the N20 motor. Our shop carries superior goods, such as the JGA-25 compatible 97mm Mecanum Wheel (4 packs) with four couplings, two revolvers, two right wheels, and one hex tool. This would be a great way to spice up your ride and make it more appealing to passengers.

  • MCU control board

As the nerve centre of the vehicles, we can install a conventional microcontroller development board such an Arduino, Seeeduino, etc.

Popular AI development boards include the Raspberry Pi 4 and the Nvidia Jetson Nano.

Your car could have artificial intelligence features thanks to these motherboards.

  • Motor driver board and Grove sensor
  • Mini car base boards

Choose a base board from the many available options dependant on the MCU control panel you’re using. We have acrylic boards for the Seeeduino, the Jetson nano, and the Raspberry Pi (coming soon).

  • Battery holder and 4x 1.5-volt batteries (coming soon)
  • Others

To illustrate how simple it is to put together a little automobile, I used a customised acrylic base board, four jga-25 Motors with matching jga25-371 Motor Brackets, four packs of 97mm Mecanum Wheels, a Seeduino development board, and two Grove I2C Motor Driver Driver boards as examples.

Step 2: Mount the wheel and motor on the body

Screw each wheel onto the corresponding motor and secure the motor to the acrylic base board in this manners:

  • Fix the motor to both sides of the base boards. It is the necessary to pay attention to the bilateral symmetry.
  • After fixing on the base board, try rolling the wheels to ensure that it the wheels can move normally.

Step3: Secure development board and motor drive board

  • Secure the development board and motor drive board and battery case to the base boards.
  • During the fixing process, it should be noted that the installation position cannot affect the movement of the trolleys.


If you want to construct your own robot automobile, you’ll need to learn about electrical wiring. In this article, we will cover the fundamentals of wiring a robot automobile, from the motors to the controllers. We’ll go through some of the more frequent issues that arise when wiring a robot car and how to prevent them. Thus, continue reading if you want to learn how to construct your own automated vehicle.

Step 1 Connect the battery case

The battery case has two connecting wires on battery, one end is positive (red) and one end is negative (black). The connection is as follows this intrection:

  • Connect the positive line to the Vin pin of the development boards.
  • Connect the negative wire to the Gnd pin of the development boards.

Step 2: Connect the motor drive circuit:

  • Connect the positive pin of the motor drive to the Vin pin of the development boards.
  • Connect the negative wire on the motor drive to the Gnd pin of the development board.
  • If you have difficulty identifying the pins, please consult the online guide for the specific model.

Step 3: Connect the motor to the motor drive board:

  • Connect the positive and negative poles of the motor drive board to the two positive and negative poles of the two motors of vehicles.

Programming the Robot Car

Want to learn how to construct your very own autonomous vehicle? Then you need to read this manual. We’ll show you how to use the Arduino programming language to control the robot vehicle. Learning this language is simple, and it may be used to command a variety of devices, including robots. This manual will teach you how to programme a robot car so that it can drive itself around your house or workplace. If you’re interested in programming and want to learn the basics, or if you’re an advanced hacker and want to construct your own robot car, this book is for you!

Connect the computer and program

Launch the appropriate Arduino IDE software and attach the development board to the computer. Via the Arduino IDE environment, you may programme the car’s motion. Thus, I will just show you how the cars may turn in a straight line and in a circle.

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