Freenove 4WD Smart Car Board for Raspberry Pi Manuale utente

Welcome

Thank you for choosing Freenove products!

About Battery

First, read the document About_Battery.pdf in the unzipped folder.

If you did not download the zip file, please download it and unzip it via link below.

https://github.com/Freenove/Freenove_4WD_Smart_Car_Kit_for_Raspberry_Pi/archive/master.zip

Get Support and Offer Input

Freenove provides free and responsive product and technical support, including but not limited to:

Product quality issues

Product use and build issues

Questions regarding the technology employed in our products for learning and education

Your input and opinions are always welcome

We also encourage your ideas and suggestions for new products and product improvements

For any of the above, you may send us an email to:

support@freenove.com

Safety and Precautions

Please follow the following safety precautions when using or storing this product:

Keep this product out of the reach of children under 6 years old.

This product should be used only when there is adult supervision present as young children lack necessary

judgment regarding safety and the consequences of product misuse.

This product contains small parts and parts, which are sharp. This product contains electrically conductive

parts. Use caution with electrically conductive parts near or around power supplies, batteries and

powered (live) circuits.

When the product is turned ON, activated or tested, some parts will move or rotate. To avoid injuries to

hands and fingers, keep them away from any moving parts!

It is possible that an improperly connected or shorted circuit may cause overheating. Should this happen,

immediately disconnect the power supply or remove the batteries and do not touch anything until it

cools down! When everything is safe and cool, review the product tutorial to identify the cause.

Only operate the product in accordance with the instructions and guidelines of this tutorial, otherwise

parts may be damaged or you could be injured.

Store the product in a cool dry place and avoid exposing the product to direct sunlight.

After use, always turn the power OFF and remove or unplug the batteries before storing.

Need support? support.freenove.com

About Freenove

Freenove provides open source electronic products and services worldwide.

Freenove is committed to assist customers in their education of robotics, programming and electronic circuits

so that they may transform their creative ideas into prototypes and new and innovative products. To this end,

our services include but are not limited to:

Educational and Entertaining Project Kits for Robots, Smart Cars and Drones

Educational Kits to Learn Robotic Software Systems for Arduino, Raspberry Pi and micro: bit

Electronic Component Assortments, Electronic Modules and Specialized Tools

Product Development and Customization Services

You can find more about Freenove and get our latest news and updates through our website:

http://www.freenove.com

All the files, materials and instructional guides provided are released under Creative Commons Attribution-

NonCommercial-ShareAlike 3.0 Unported License. A copy of this license can be found in the folder containing

the Tutorial and software files associated with this product.

This means you can use these resource in your own derived works, in part or completely, but NOT for the

intent or purpose of commercial use.

Freenove brand and logo are copyright of Freenove Creative Technology Co., Ltd. and cannot be used without

written permission.

Free your innovation

Raspberry Pi®is a trademark of Raspberry Pi Foundation (https://www.raspberrypi.org/).

○

Contents 
Welcome................................................................................................................................................................................ 1 
Contents.................................................................................................................................................................................1 
List........................................................................................................................................................................................... 1 
4WD Smart Car Board for Raspberry Pi .................................................................................................................. 1 
Machinery Parts ........................................................................................................................................................... 2 
Transmission Parts....................................................................................................................................................... 3 
Acrylic Parts .................................................................................................................................................................. 3 
Electronic Parts............................................................................................................................................................. 4 
Tools............................................................................................................................................................................... 4 
Self-prepared Parts.....................................................................................................................................................5 
Preface ................................................................................................................................................................................... 6 
Raspberry Pi Introduction ..........................................................................................................................................7 
Chapter 0 Raspberry Pi Preparation...............................................................................................................................17 
Install a System...........................................................................................................................................................17 
Remote desktop & VNC ............................................................................................................................................24 
Chapter 1 Software installation and Test (necessary)..................................................................................................39 
Step 1 Obtain the Code and Set python3 as Default .........................................................................................39 
Step 2 Configuration.................................................................................................................................................42 
Step 3 Run the Libraries Installation Program........................................................................................................47 
Chapter 2 Assemble Smart Car .......................................................................................................................................48 
Chapter 3 Module test (necessary).................................................................................................................................62 
Chapter 4 Light tracing Car..............................................................................................................................................84 
Description..................................................................................................................................................................84 
Run program ..............................................................................................................................................................84 
Chapter 5 Ultrasonic Obstacle Avoidance Car .............................................................................................................86 
Description..................................................................................................................................................................86 
Run program ..............................................................................................................................................................86 
Chapter 6 Infrared Line Tracking Car .............................................................................................................................88 
Description..................................................................................................................................................................88 
Run program ..............................................................................................................................................................88 
Chapter 7 Smart video car ...............................................................................................................................................91 
Server...........................................................................................................................................................................92 
Client............................................................................................................................................................................98 
Android and iOS app..............................................................................................................................................119 
Free innovation ........................................................................................................................................................121 
What's next?......................................................................................................................................................................128 

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List

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List

If you have any concerns, please feel free to contact us via support@freenove.com

4WD Smart Car Board for Raspberry Pi

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List

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Machinery Parts

Note: You may receive M1.4*4 or M1.4*5. Can be used normally

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List

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Transmission Parts

Servo package x2

Driven wheel x4

DC speed reduction motor x4

Motor bracket package x4

Acrylic Parts

For Pan Tilt

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List

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Electronic Parts

Line tracking module x1

Camera x1

HC-SR04 Ultrasonic

Module x1

Connection board

Jumper Wire F/F(4) x1

XH-2.54-5Pin cable x1

Tools

Cross screwdriver (3mm) x1

Black tape x1

Cable Tidy x25cm

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List

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Self-prepared Parts

Please refer to About_Battery.pdf in unzipped folder.

Raspberry Pi (Recommended model: Raspberry 4B / 3B+ / 3B) x1

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Preface

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Preface

Welcome to use Freenove 4WD Smart Car Kit for Raspberry Pi. Following this tutorial, you can make a very

cool smart car with many functions.

This kit is based on Pi Raspberry, a popular control panel, so you can share and exchange your experience

and design ideas with many enthusiasts all over the world. The parts in this kit include all electronic

components, modules, and mechanical components required for making the smart car. And all of them are

packaged individually. There are detailed assembly and commissioning instructions in this book.

And if you encounter any problems, please feel free to contact us for fast and free technical support.

support@freenove.com

The contents in this book can help enthusiasts with little technical knowledge to make a smart car. If you are

very interested in Raspberry Pi, and want to learn how to program and build the circuit, please visit our

website www.freenove.com or contact us to buy the kits designed for beginners:

Freenove Basic\LCD1602\Super\Ultrasonic\RFID\Ultimate Starter Kit for Raspberry Pi

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