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In this “Hello World” version lesson, we will install the most important framework in the smart car and program the car to do some simple movements. If you have passed the test movement of this lesson, it means Arduino, voltage meter,motor control module, motors, batteries，chassis and wire connections between these parts are all functioning well.
Parts and Devices:
1)Connect 4 motors on lower chassis with screw M3 x 30
2)Install OSOYOO MODEL X motor driver module to lower chassis with screw M3 x 10, connect OSOYOO MODEL X motor driver module K1 to K4 sockets to 4 motors as per following graph:
3)Install Arduino UNO on upper chassis with screw M3 x 10
4)Install Battery Box on upper chassis with screw M3 x 10
5)Install Voltage meter on upper chassis with screw M3 x 10
7)Connect Voltage Meter to OSOYOO MODEL X motor dirver module as below connection diagram.
|Voltage Meter||OSOYOO MODEL X motor dirver module|
8)Connect Arduino UNO D2,D4,D5,D6,D7,D8 to OSOYOO MODEL X motor driver module 6 control pins as per following graph (these pins are defined in sample code configuration.h file)
|Uno R3 Board||OSOYOO MODEL X motor driver module|
9)Connect upper chassis to lower chassis with five copper pillar screw supporters, then install 4 wheels onto the motors.
Now hardware installation is almost down. Before we install 18650 batteries into the box, we need burn the sample code into Arduino First.
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: Download Lesson One sample code from http://osoyoo.com/driver/smartcar-lesson1.zip , unzip the download zip file smartcar-lesson1.zip, you will see a folder called smartcar-lesson1 .
Step 3: Connect Arduino UNO to PC with USB cable, Open Arduino IDE -> click file -> click Open -> choose code “smartcar-lesson1.ino” in smartcar-lesson1 folder, load the code into arduino.
Step 4: Choose corresponding board/port for your project,upload the sketch to the board.
Disconnect Arduino from PC, put 2 fully-charged 18650 battery into battery pox(check the box instruction and make sure polar direction is correct). Open the power switch in the box and your smart is RUNNING!
When you put the car on the ground, it should go forward 5 seconds, then go backward 5 seconds, then left turn for 5 seconds, then right turn for 5 seconds, then stop.
If the car does not move as per above mentioned result, you should check your wire connection, battery voltage(must over 7.2v).