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In this lesson, we will use mobile to control our robot car and make an imitation driving. Since it is a mock driving, we will use a virtual steering wheel and gear in our APP to imitate their counterparts in a real car.

You must complete Lesson 1 (assembling the car) before you continue on with this lesson.

Parts and Devices

No. Picture Device Qty. Accessories Link
1 HC module 1 Click here to buy

Hardware Installation

Step 1: Install the smart car basic frame work as per Lesson 1 . If you have already completed installation in Lesson 1 , just keep it as is.

Step 2: Insert Bluetooth Module
Please insert the Bluetooth slot as the following diagram (Remember: DO NOT remove any existing wires installed in Lesson 1):

Also make sure the two jumper caps in following red square are to be connected to D11, D4(if they are connected to D1,D0, move the caps to D11, D4).

Software Installation:

Download Arduino IDE here:
7 zip is a free zip
utility that un-zips zip files
Download 7zip here for free
OSOYOO imitation driving Robot APP
Search “OSOYOO imitation driving” in
Google Play or Apple APP store

(Note: If you can not find this APP in Google Play,
you can directly download the APP from following link:

Step 1: Install latest IDE (If you have IDE version after 1.1.16, please skip this step). Download IDE from, then install the software.

Step 2: Download unzip the download zip file, you will see a folder called lesson6a.

Step 3: Connect OSOYOO Basic Board for Arduino to PC with USB cable, Open IDE -> click file -> click Open -> choose code “lesson6a.ino” in lesson6a folder, load the code into OSOYOO Basic Board for Arduino. (Notice: Remove the bluetooth module and Shut off your battery or Unplug your power adapter when upload sketch code to OSOYOO Basic Board for Arduino.)

Step 4: Choose corresponding board/port for your project,upload the sketch to the board.

Step 5:Install APP into your mobile phone:

1) Install APP on Android device as following

In Google Play store search APP name “OSOYOO Imitation Driving”, download the APP as following and install it in your smartphone

If you can not use Google Play to find the APP, please download the APP from following link :

2) Install APP on Apple IOS device as following

In Apple APP store search APP name “OSOYOO Imitation Driving”, download the APP as following and install it in your smartphone

Explanation of APP UI (UI is different between Android and IOS)

Connect the APP to the HC-02 Bluetooth Module

If you are using an Android device and have not yet paired the Bluetooth module with your cell phone, please pair the Bluetooth module first               before opening the APP. In your cell phone Settings -> Bluetooth, find a Bluetooth device called HC02 and pair it with the password 1234. Once           the HC02 device is paired, open the APP and click the “BT Search” button to connect the APP to the HC02 device.

Note: For Android device, when you click BT search button and get the following error pop, Please follow the next steps:
1. long-press the APP inco, then click “APP info”
2. click “Permissions” “Nearby device”, then change the option as “Allow” (To learn more about settings, you can visit the video:

Drive your Robot Car

Now that you have installed your hardware and software for this lesson, let’s drive our car!

Step 1) Put your robot car on the ground and turn on the battery switch.

Step 2) Go to your mobile phone -> Settings -> Bluetooth settings and search for a Bluetooth device called HC-02. Pair it with the code 1234.

Step 3) Open the OSOYOO imitation driving Robot APP, click the “BT Search” button, and find the Bluetooth device you have paired.

Step 4)Turn on the Engine toggle and click Speed+ to increase the speed of the robot car, as it is very slow at first. When you rotate your mobile phone, the car will change direction.

Enjoy driving!