How to Make a Bluetooth RC Car: A Step-by-Step Guide

How to Make a Bluetooth RC Car: A Step-by-Step Guide

Have you ever desired to build a Bluetooth RC car? Or has it been a lifelong hobby? Building and controlling RC cars using smartphones have become increasingly popular over the years; it’s a fascinating and engaging project that enables you to apply your engineering and programming skills. Luckily, you can make one yourself with just a few materials and tools. In this article, we’ll guide you on how to make a Bluetooth RC car that allows you to control the car’s movement with the help of a smartphone. By the end of this article, you’ll have a complete understanding of how to build a Bluetooth RC car and be able to maneuver it over your driveway. The principles behind a Bluetooth RC car are straightforward: it works via Bluetooth technology, which enables communication between devices wirelessly. The process involves a microcontroller that receives instructions from a Bluetooth module, allowing you to control the car remotely. Our Bluetooth RC car will comprise two units, one module mounted on the car, and another on the remote. You don’t have to be an expert in electronics or programming to build this car—just a keen interest in tinkering with gadgets and an urge for some DIY fun. So, let’s jump into the details and start building!

Materials needed

To build a Bluetooth RC car, you need materials such as:

  • 4 wheels
  • 2 geared motors
  • Rechargeable batteries
  • Resistor
  • Capacitors
  • Soldering iron
  • Wire cutter
  • Screwdriver
  • Bluetooth module/Arduino

Principles behind a Bluetooth RC car

The working of a Bluetooth RC car is simple and comprises of the following principles:

  • The car runs based on the power provided by its batteries
  • Wheels are connected to the geared motors
  • The microcontroller receives instructions from the controller through the Bluetooth module
  • Bluetooth enables remote control of the car by communicating with a Bluetooth module through smartphones that have Bluetooth capabilities

The following websites can help you in getting inexpensive robot components needed for making the Bluetooth RC car:

Before starting, study the datasheet of each component to ensure smooth execution of the project.

How to convert a RC car into a Bluetooth controlled car?

Converting a regular RC car into a Bluetooth controlled car is easier than you might think. Here are the basic steps:

  1. Remove the existing receiver and servo from the RC car.
  2. Install a Bluetooth receiver module in the car.
  3. Connect the Bluetooth module to the motor controller and power supply.
  4. Pair the Bluetooth module with a mobile device or computer.

There are several tutorials and guides available online that can help you with this process. You can also find Bluetooth modules and other necessary components on websites like Amazon or Adafruit. Happy tinkering!

Tools required

To assemble a Bluetooth RC car, you need the following tools:

Tools Descriptions
Screwdriver To fasten screws and nuts
Soldering iron To join wires and components
Wire cutter To cut and strip wires and prepare them for soldering
Plastic cutter To cut the car’s body and structure
Glue gun To stick different components on the car
Bluetooth controller app To communicate with the Bluetooth module

Facts about building a Bluetooth RC car

Here are some interesting facts you’d like to know:

  • A Bluetooth module lets you connect your smartphone or tablet to the car, allowing you to control it remotely using an app function.
  • Bluetooth RC cars are customizable, and you can add various sensors and modules to enhance its capabilities
  • Building a Bluetooth RC car requires both knowledge of electronics and mechanical engineering
  • The time and the cost of the Bluetooth RC car vary depending on the size of the car, additional features, and complexity of the design

The following websites offer tutorials and resources that may help you construct your Bluetooth RC car:

It is possible to get all the components needed to build a Bluetooth RC car on or at a reasonable price, depending on the brand and the quality of the components.

What is needed to build a remote control car?

To build a working remote control car, you will need the following materials and tools:

  • A remote control car kit or purchased individual parts
  • A transmitter and receiver
  • A servo or servo set
  • An ESC (electronic speed controller)
  • Battery pack and charger
  • Wheels and tires
  • Body and decals
  • Screwdrivers and pliers
  • Soldering iron and solder
  • Wire cutters and strippers

For those interested in purchasing remote control car kits, websites such as Amazon, HobbyKing, and Tower Hobbies offer a variety of options.

Materials required

To make a Bluetooth RC car, you will require the following items:

Materials Description
Geared motors These provide the driving force to the wheels and keep them spinning
Metal chassis The car’s frame on which the other parts are mounted
Battery pack Power source for the car and the Bluetooth module
Wires To connect various components together
Arduino or other microcontroller board This acts as the “brain” for the car and controls its movements
Bluetooth module For wireless communication with the smartphone app

You can order all the materials online on, or any other online market. However, make sure you purchase high-quality materials to prevent future failures.

In addition, to keep up with the latest technology updates and advancements, you can subscribe to websites like ArduinoOfficial or Adafruit that provide tutorials, books, and sensors to create your project.

How to make a RC Bluetooth car?

Here are the steps to make a RC Bluetooth car:

  1. First, purchase an RC car kit and a Bluetooth module.
  2. Assemble the RC car according to the instructions.
  3. Connect the Bluetooth module to the car’s motor controller using jumper wires.
  4. Download a Bluetooth controller app on your smartphone.
  5. Connect the Bluetooth module to your smartphone via Bluetooth.
  6. Use the app to control the car’s movements.

If you are looking to purchase an RC car kit, websites such as Amazon or HobbyKing offer a wide range of options. You can also find Bluetooth modules on these websites or on electronics suppliers such as Adafruit or SparkFun.

Connecting Bluetooth to your smartphone

After assembling your Bluetooth RC car, it’s time to connect the car to your smartphone. Follow these simple steps:

  1. Turn on Bluetooth on your smartphone
  2. Download a Bluetooth RC app on your smartphone
  3. Pair the Bluetooth module of the car with your smartphone

Some suitable apps to download include, but are not limited to:

  • Arduino Bluetooth RC Car
  • BlueTerm
  • RoboRemo

These apps allow you to wirelessly control your car using your smartphone. The app interface should be easy to use, and it should provide an intuitive way of operating the car. You can also visit websites such as Instructables or, where you can find many tutorials and other resources explaining in detail the steps to connect your car to your smartphone’s Bluetooth feature.

How to make a Bluetooth RC car?

To make a Bluetooth RC car, follow these simple steps:

  1. First, gather all the necessary parts, including a Bluetooth module, a motor controller, motors, wheels, a battery, and an Arduino board.
  2. Connect the motor controller to the motors, and the Bluetooth module to the Arduino board.
  3. Program the Arduino board to receive commands from the Bluetooth module and control the motors.
  4. Connect the battery to power the motors, and add wheels to the motor shafts.
  5. Finally, download a Bluetooth controller app on your smartphone, connect it to the Bluetooth module, and enjoy controlling your RC car wirelessly.

For detailed step-by-step instructions and diagrams, check out websites like Instructables or Adafruit. You can also purchase pre-made Bluetooth RC car kits from online marketplaces like Amazon.

Testing your Bluetooth RC car

Once you’ve connected your Bluetooth RC car to your smartphone, it’s time to test everything out. Here are a few things to keep in mind as you test your car:

  • Make sure the Bluetooth connection is stable
  • Ensure the wheels are turning correctly
  • Control the car’s speed and movement with the app
  • Experiment with different movements like forward, backward, left, and right
  • Test the range of your car’s signal, which should be at least a few dozen feet

While testing your car, you might encounter a few glitches or issues that you need to fix. If this happens, revisit the instructions, and check that all your connections are secure. You can try visiting online forums and communities such as Reddit, where you will find other hobbyists with similar projects, and you can share ideas and gain useful insights.

Finally, if you want to take things further, you can modify your Bluetooth RC car to add other functionalities like lights or audio, or you can use a different microcontroller or add some sensors to make it more interactive. Nonetheless, with the steps above, you should be able to build a basic Bluetooth RC car that enhances your exploration and fun during your leisure time.


Making a Bluetooth RC car is a fun and challenging hobby that can provide you with a lot of entertainment and satisfaction. By following the steps mentioned above and keeping your connections secure, you can turn your smartphone into a remote control and get your car moving.

With the incredible advancements in technology, you can always modify your car to suit your interests and add new functionalities that willnot only improve its performance but also extend your skills and knowledge.

Remember to refer to instructions, guides, and online communities if you face hiccups or need more insights, or reach out to experts and other hobbyists for support.

Overall, building a Bluetooth RC car requires patience, dedication, and some understanding of the basics of electronics. Have fun with it and let your creativity flow as you make something remarkable.