The Ultimate Guide to Making Your RC Car Wireless

Remote control cars, also known as RC cars, have been a favorite hobby for people of all ages for years. However, an annoying aspect of using an RC car is dealing with tangled wires while trying to maneuver the car. In recent years, technology has advanced and made it possible to make an RC car wireless. Making your RC car wireless is a fun and easy project that you can do at home. This guide will walk you through the necessary steps to make your RC car wireless, using different methods and outlining some alternative control options available.

Step-by-Step Guide

Before you get started, make sure you have all the necessary items required. Here is a list of parts that you will need:

  • RC car
  • Wireless module
  • Wireless remote control
  • Battery pack
  • Soldering iron
  • Soldering wire
  • Screwdriver

Please note that the tools and parts may vary based on the chosen method. Here is the step-by-step guide on how to make your RC car wireless:

Step 1: Disassemble the RC Car

You need to disassemble your RC car by opening the shell to expose the circuit board. Then, disconnect every cable that joins the board with the motor and control system. A screwdriver will be required to remove screws holding the circuit board in place. This step is necessary to identify the areas to solder.

Step 2: Install the Wireless Receiver Module

Once you have exposed the circuit board, the next step is to install the wireless receiver module by soldering. You should identify the relevant connection points on the circuit board and solder the wires accordingly. The positive and negative wires go to the power source, while the control signal wire connects to the control systems like steering or acceleration. This step can be tricky, and if you are a beginner, it’s best to take it slow and learn from online tutorials.

Step 3: Install the Wireless Transmitter

The next step is installing a wireless transmitter that comes with the remote control. The receiver installed in the previous step will connect to the transmitter. This remote control can be used to wirelessly control your RC car. The installation process is similar to that of installing the receiver through soldering.

Step 4: Fit a Battery

The next step in making your RC car wireless is adding a battery. You should ensure that it is compatible with the receiver and the wireless transmitter you just installed. You will not experience the full potential of wireless control if your battery is inadequate. A few types of batteries include lithium polymer, nickel-cadmium, and nickel-metal hydride batteries.

Step 5: Test Run the Car

After connecting everything, including the battery, test the RC car to ensure that it works correctly. This step is essential, especially for beginners with limited electronic experience, to confirm that everything is connected correctly. It’s better to identify and correct any mistakes sooner than later.

Step 6: Troubleshooting Tips

Troubleshooting is an important aspect of working with electronic devices, especially when building them from scratch. These are a few typical problems you may encounter when attempting to make your RC car wireless:

  • Issue with soldering joints
  • Problems with compatibility and connectivity
  • Difficulty in locating the connection points on the circuit board

If you face any of these problems, it’s best to refer to online tutorials or reach out to the manufacturer for assistance.

Using a Conversion Kit

RC car conversion kits are popular as they make the process of converting a wired car into a wireless one more manageable. The kit will comprise all the necessary components to install a wireless module, including remote control and batteries. Most kits have instructions and step-by-step guides, making it easy for beginners.

Advantages of Using a Conversion Kit

The advantages of using a conversion kit include:

  • Comes with a comprehensive manual and guidance
  • Faster installation compared to building from scratch
  • It has everything needed in one package
  • Less prone to damage during installation since it’s designed to fit the RC car model

Recommended Conversion Kits

Here are some of the recommended conversion kits:

  • Tamiya 45067 RC Car Conversion Kit
  • Traxxas 6511 Link Wireless Module
  • UoUo Wireless RC Car Conversion

Using Bluetooth Module

Another way to make your RC car wireless is by using a Bluetooth module. Bluetooth is a wireless technology that enables you to connect your RC car to a smartphone, tablet, or even a laptop. This way, you can control your RC car from a distance using a Bluetooth app. To use a Bluetooth module, follow these steps:

Explanation of Bluetooth Module

A Bluetooth module is an electronic device that allows communication between your RC car and a mobile device such as a smartphone. This module connects wirelessly to your RC car circuit board and sends and receives signals from the mobile app.

Connecting Bluetooth Module to the Car’s Circuit Board

To connect the Bluetooth module to the circuit board, you must locate the relevant points where it can be soldered on the board. The Bluetooth chip connects to the power source and the control system with a data cable, which is solvable as well.

Control Using a Mobile App

After the Bluetooth module has been connected to the board, you can control the car using a mobile app. Several control apps are available on the Play Store or App Store. Ensure that the app is compatible with your RC car and Bluetooth module. Once installed, launch the app and connect it to your Bluetooth module to start controlling your car.

Using Wi-Fi Module

Wi-Fi is another wireless technology that can be used to make an RC car wireless. The Wi-Fi module connects to the RC car circuit board and communicates with a router or access point. This way, you can use any device connected to the network to control the car. Here are the steps to follow:

Explanation of Wi-Fi Module

A Wi-Fi module is an electronic device that allows communication between your RC car and a mobile device, computer, or any other device connected to the network. It comes with a chip that connects to the RC car’s power source and the control system.

Advantages of Using Wi-Fi Module

The advantages of using a Wi-Fi module include:

  • Easy to set up
  • Easy to connect to other devices on the network
  • Allows remote control using a computer or mobile device

Easy Integration with Other Devices

Integrating the Wi-Fi module with other devices on the network can allow you to control the car remotely without a mobile app. For example, a laptop connected to the same network as the Wi-Fi module can be used to control the car. Additionally, you can use voice commands or hand gestures to control your RC car, as described below.

Using an Arduino

An Arduino can be used as a wireless controller board for your RC car, allowing you to control the car’s motor and steering through a wireless connection. Here are the necessary components:

  • RC car
  • Arduino Uno
  • L298N Dual H Bridge Motor Driver
  • Wireless Module
  • Battery Pack
  • Jumper Wires
  • Breadboard
  • Multimeter

Controlling the Car’s Motor and Steering Through a Wireless Connection

You can use an Arduino board to control your RC car’s motor and steering. The Arduino board is programmed to control the motor, while the wireless module translates wireless signals into control instructions for the Arduino board. The L298N motor driver is connected to the Arduino board to control the motor’s speed and the direction of the steering, depending on the input signals coming from the wireless module.

Step-by-Step Guide

Here is a step-by-step guide to making your RC car wireless using an Arduino board:

  1. Connect the L298N motor driver to the Arduino board using jumper wires
  2. Connect the wireless module to the Arduino board using jumper wires
  3. Install the wireless receiver module and remote control if needed
  4. Connect the battery pack to the circuit board
  5. Write a program for the Arduino board to control the motor and steering
  6. Upload the program to the Arduino board
  7. Test the RC car to ensure that it works correctly

List of Necessary Components

Here is a list of components you will need:

  • RC car
  • Arduino Uno
  • L298N Dual H Bridge Motor Driver
  • Wireless module
  • Battery Pack

Alternative Control Methods

Aside from traditional wireless controllers, there are several alternative methods of controlling your RC car, including the following:

Smartphone App Control

Controlling your RC car using a smartphone app is possible with Bluetooth, Wi-Fi, and even RC car manufacturers’ dedicated applications.

Voice-Activated Commands

With voice control, you just need to speak commands to enjoy complete control of the RC car. Voice control software is available in many smart home devices, including Alexa and Google Assistant, and you can link them to your RC car to enjoy voice control functionality.

Hand Gestures

You can control your car using hand gestures. Hand gesture control technology senses hand movements and interprets them as commands. Microsoft Kinect is an example of a device that uses hand gesture control technology.


Making your RC car wireless is a fun and exciting project that will make using your car much more enjoyable. This guide outlines the different methods of making your RC car wireless. While there are various ways to achieve it, the execution depends on your skill level and desired outcome. Whether you’re a beginner or an experienced hobbyist, getting a wireless RC car is a great way to level-up your remote control car experience.

Final Thoughts

Turning your wired RC car into a wireless one has never been easier. It’s best to do your research and find the perfect method for you. Remember to take your time, have fun, and always be safe while working on this project.

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By Happy Sharer

Hi, I'm Happy Sharer and I love sharing interesting and useful knowledge with others. I have a passion for learning and enjoy explaining complex concepts in a simple way.

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