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Objective:

In this tutorial, we will use Osoyoo Smart DIY kit to make a simple remote controlled smart car. Once the car installation is completed, we will use a Infrared Remote to control the car movements including go forward, go back, left turn and right turn.

Parts and Devices:

Device Name
picture
qty
Screw Number
IR receiver(VS1838)
1
M2.5*10 screw x2
M2.5 nuts x2
Transparent Washer x2
IR remote controller
1
Lower chassis
1
M3*5 screw x5
Copper pillar x5
Upper chassis
1
M3*5 screw x5
Gear motor with wires
(Acrylic fastener for Gear Motor x8
Velocity encoder x4)
4
M3*30 screw x8
M3 nuts x8
Wheel
4
UNO R3 board for Arduino with USB cable
1
M3*10 screw x4
M3 nuts x4
Transparent Washer x4
L298NPro Motor driver module
1
M3*10 screw x4
M3 nuts x4
Transparent Washer x4
Box for 18650 3.7V battery
1
M3*10 screw x4
M3 nuts x4
DC power connector with wires
1
Voltage meter
1
M3*10 screw x2
M3 nuts x2
Transparent Washer x2
Jumper wires(female to female)
some
Jumper wires(male to female)
some
Cross screwdriver
1

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

Step 2: Add an IR receiver module onto the car. Install the IR receiver module with M2.5*10 screws and nuts, washers at the front of upper chassis.

Step 3: Connect the S pin in IR receiver to D3 pin in UNO board, GND to GND, VCC to 5V, as the following photo (Remember : DO NOT remove any existing wires installed in Lesson 1 ) :


Software Installation:

Step 1: Install latest Arduino IDE (If you have Arduino IDE version after 1.1.16, please skip this step)
Download Arduino IDE from https://www.arduino.cc/en/Main/Software?setlang=en , then install the software.

Step 2: Install IRremote library into Arduino IDE (If you have already installed IRremote library, please skip this step)
Download IRremote library from  http://osoyoo.com/wp-content/uploads/samplecode/IRremote.zip, then import the library into Arduino IDE(Open Arduino IDE-> click Sketch->Include Library->Add .Zip Library)

Step 3: Download Lesson 2 IRremote smart car sample code fromhttp://osoyoo.com/driver/smartcar-lesson2.zip and unzip the download zip file smartcar-lesson2.zip, you will see a folder called smartcar-lesson2.

Step 4: Connect UNO R3 board to PC with USB cable, Open Arduino IDE -> click file -> click Open -> choose code “smartcar-lesson2.ino” in smartcar-lesson2 folder, load the code into arduino.

Step 5: Choose corresponding board and port for your project,upload the sketch to the board.

Testing:
Press IR controller keys to control the car movements as per following instruction table:

  

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