You can send control signals to your Arduino car via the following app.

Arduino Bluetooth Control App

First you need to select the bluetooth device of your car from the settings. It will be listed as HC-06.

Arduino Bluetooth Select Car

Search for Arduino Bluetooth RC Car to download the app.

Arduino Bluetooth App

In Option Menu > Settings, you can find all the charactors that are being sent when you press each of the buttons in the app interface.

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Arduino Car Building

You can download everything you need know to build your own Arduino-based electronic car as a PDF file for your reference.

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