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Mars Explorer Mecanum Wheel Robotic Kit

(Arduino Mega2560)

More information: http://osoyoo.com/?p= 30176

Содержание Mecanum Omni

Страница 1: ...Mars Explorer Mecanum Wheel Robotic Kit Arduino Mega2560 More information http osoyoo com p 30176 ...

Страница 2: ...g remote control by Bluetooth IoT through Wifi Line tracking and Obstacle Avoidance auto driving With the help of powerful Mecanum wheels the car can make much more complicated movement such as sideway shifting and diagonally movement controlled by Cell phone APP The kit comes with OSOYOO MEGA2560 board fully compatible with Arduino MEGA2560 and OSOYOO ESP8266 Wifi Shield Besides we have designed ...

Страница 3: ...CONTEXT Lesson 1 Assembling the Car 4 Lesson 2 Obstacle Avoidance Robot Car 17 Lesson 3 Tracking Line 23 Lesson 4 Bluetooth Imitation Robot Car 27 Lesson 5 Wifi IoT Control Robot Car 33 ...

Страница 4: ...hows you how to install the chassis of this car and connect Arduino control signal wires to two model X L298N driver board This installation will be the start point of our other lessons OSOYOO Mecanum wheels robotic car chassis x1 2xleft wheels 2xright wheels and Motor x 4 OSOYOO Mega2560 board fully compatible with Arduino UNO Mega2560 x 1 OSOYOO Wifi shield x 1 OSOYOO Model X motor driver x 2 OS...

Страница 5: ...per standoff please skip this step and directly go to Step 2 Follow the picture below to install 4 copper standoff on the positions of the blue lines first then fasten the 4 motors onto the 4 standoffs Make sure the motor directions must be correct exactly same as picture Picture 3 Motor fasten screws location map view from bottom of the chassis ...

Страница 6: ... this step and go to Step 3 The four motors have two types of standoff positions Type A have standoffs installed on the RED wire side of the motor see picture 5 top two motors Group B have standoffs installed on the Black wire side of the motors see picture 5 lower two motors Picture 5 distinguish two type of motors ...

Страница 7: ...Picture 6 Type A and Type B motors location map in chassis Picture 7 Wheel installation map ...

Страница 8: ...heck the type A wheel and type Wheel by following picture 8 left side You must 100 sure that correct type of wheel is installed into correct position as per picture 8 right side the rolling direction of each wheel will determine the whole car moving directions showed in the picture Picture 8 Two types of Mecanum wheel and their installation position in the car ...

Страница 9: ...ll result in different car movement directions Following pictures shows how they works Step 4 Install Mega2560 2x Model X boards L298N Wifi shield onto the chassis Picture 10 MEGA2560 Model X voltage meter guide Picture 11 Battery box installation location ...

Страница 10: ...Picture 12 Wifi shield installation guide ...

Страница 11: ...ld the black plastic pin holder to do operation Never drag the wires to pull the plug out of the socket otherwise it will damage the wires Picture 13 Connect Model X board L298N to front motors Picture 14 connect another model X board to rear motors Picture 15 Connect Front Model X pins to MEGA2560 ...

Страница 12: ...connected to D22 which is located on the SECOND female hole from right in following picture 10 Many people treat the first hole as D22 THIS IS WRONG Picture 16 Front Model X board IN1 IN2 IN3 IN4 pin connect to D22 D24 D26 D28 ...

Страница 13: ...Picture 17 Connect Rear model X control pins to Mega2560 Picture 18 Connect Model X to Voltage meter ...

Страница 14: ...Open source Arduino Software IDE Download Arduino IDE here https www arduino cc en Main Software setlang en ...

Страница 15: ...Software setlang en then install the software Step 2 Download https osoyoo com driver mecanum_acrylic_chassis mecanum 2560 lesson1 zip unzip the download zip file lesson1 zip you will see a folder called lesson1 Step 3 Connect mega2560 board to PC with USB cable Open Arduino IDE click file click Open choose code lesson1 ino in lesson1 folder load the code into arduino Step 4 Choose corresponding b...

Страница 16: ...t Right Turn Right Parallel Shift Left Parallel Shift Down Left Diagonal Up Right Diagonal Up Left Diagonal Down Right Diagonal If the car does not move as per this sequence you need check the wire connection Youtube Video Link https www youtube com embed 15qYSh9M5AE ...

Страница 17: ...60 board fully compatible with Arduino x 1 OSOYOO Wifi shield x 1 OSOYOO Model X motor driver x 2 OSOYOO SG90 servo motor x 1 OSOYOO Ultrasonic sensor module x1 OSOYOO Mount holder OSOYOO Battery box x 1 18650 Batteries 3 7V x 2 You must complete lesson 1 assembling the car before you continue on with this lesson In this lesson3 we will add a servo motor and to the robotic car built in Lesson 1 St...

Страница 18: ...motor at the front of upper car chassis with 2pcs M2 2 8 Self Tapping Screws Step 4 Install mount holder for Ultrasonic Module on servo motor with M2 4 Self Tapping screw Please note please upload code to adjust servo motor direction before fixing this screw ...

Страница 19: ...on 1 connections same as it is STEP5 Connect Servo 3 pin head to any Model X board servo slot yellow to S pin red to 5v brown to G pin then connect another S pin to Wifi board D13 STEP6 Connect Ultrasonic sensor module to wifi board as following graph ...

Страница 20: ... 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 https osoyoo com driver mecanum_acrylic_chassis mecanum 2560 lesson2 zip unzip the download zip file lesson2 zip you will see a folder called lesson2 Step 3 Connect mega2560 board to PC with USB cable Open Arduino IDE click file click Open choose ...

Страница 21: ...tion as following picture Otherwise the obstacle avoidance program will not work properly After adjusting sensor direction turn on battery again If its direction is not straight forward turn off battery and do direction alignment again If the ultrasonic module turn to front view position that means you no need adjust sensor position anymore Just wait 5 seconds If no obstacle is detected the car wi...

Страница 22: ...o make performance tuning See the comments in the define statements define FAST_SPEED 110 The difference between FAST_SPEED and SPEED determines the slight turning sharpness define SPEED 80 forward moving speed define TURN_SPEED 110 Turning Speed define FORWARD_TIME 200 FORWARD_TIME determines Forward distance define BACK_TIME 300 determines BACK MOVEMENT distance define TURN_TIME 250 Determines t...

Страница 23: ... the white ground OSOYOO Mecanum wheels robotic car chassis x1 2xleft wheels 2xright wheels and Motor x 4 OSOYOO Mega2560 board fully compatible with Arduino UNO Mega2560 x1 OSOYOO Wifi shield x1 OSOYOO Model X motor driver x2 OSOYOO 3 Point Tracking sensor module x1 OSOYOO Battery box x1 18650 Batteries 3 7V x2 You must complete lesson 1 assembling the car before you continue on with this lesson ...

Страница 24: ...20cm female to female cable as the following photo shows Remember DO NOT remove any existing wires installed in Lesson 1 Open source Arduino Software IDE Download Arduino IDE here https www arduino cc en Main Software setlang en 7 zip is a free zip utility that un zips zip files Download 7zip here for free https www 7 zip org Step 1 Install latest Arduino IDE If you have Arduino IDE version after ...

Страница 25: ...esson folder load the code into arduino as following Step 4 Choose corresponding board port for your project upload the sketch to the board Step 5 Adjust the sensitivity of tracking sensor modules Turn on and hold the car and adjust the potentiometer on the tracking sensor with cross screwdriver until you get the best sensitivity status the signal indicate LED light will turn on when sensor is abo...

Страница 26: ...ing performance result motor power speed value should be adjusted properly as per battery level If motor power speed value is too high your car might run too fast and easy to get out of track If motor power speed is too low the car might not even move To adjust the motor power value you need change the 3 constants MID_SPEED HIGH_SPEED LOW_SPEED in line 13 14 15 in mecanum 2560 lesson3 ino sketch f...

Страница 27: ...ls 2x right wheels and 4x motor OSOYOO Mega2560 board fully compatible with Arduino OSOYOO V1 0 Wifi Shield x 1 OSOYOO Model X motor driver x 2 OSOYOO HC02 bluetooth module OSOYOO Battery box x 1 18650 Batteries 3 7V x 2 You must complete lesson 1 assembling the car before you continue on with this lesson No need change anything just keep the hardware wire connection as it is STEP1 Connect B_TX an...

Страница 28: ...STEP2 Bluetooth Module should be inserted into bluetooth 6 pin slot in OSOYOO Wifi Board ...

Страница 29: ...ownload Arduino IDE from https www arduino cc en Main Software setlang en then install the software Step 2 Download https osoyoo com driver mecanum_acrylic_chassis mecanum 2560 lesson4 zip unzip the download zip file lesson4 zip you will see a folder called lesson4 Step 3 Connect mega2560 board to PC with USB cable Open Arduino IDE click file click Open choose code lesson4 ino in lesson4 folder lo...

Страница 30: ...the APP as following and install it in your smart phone Power on the robot and open APP 1 If you have not paired Bluetooth module with your cell phone please pair the bluetooth module first before open the APP In your cell phone Setting Bluetooth find a Bluetooth device called HC02 pair it with password 1234 ...

Страница 31: ...ttery level If motor power speed value is too high your car might run too fast and easy to out of control If motor power speed is too low the car might not even move To adjust the motor power value you need change the 3 constants line 27 28 29 in mecanum 2560 lesson4 ino sketch file define MIN_SPEED 50 define TURN_SPEED 70 define SLOW_TURN_SPEED 50 define BACK_SPEED 60 MIN_SPEED is the minimum pow...

Страница 32: ...ter batteries are running low you might need to increase the value of these 3 constants You can gradually add or reduce 10 each time on these values and compare which values have best tracking performance ...

Страница 33: ...YOO Wifi Shield x 1 OSOYOO Model X motor driver x 2 OSOYOO Battery box x 1 18650 Batteries 3 7V x 2 If you just finishes all Lesson 1 Lesson3 please keep all lesson connections same as it is Then plug out bluetooth from Wifi Shield Remove the connection B_TX and B_RX to D18 and D19 Connect E_TX to D19 RX1 and E_RX to D18 TX1 Note You need split 2 pcs of male to female jumper wires from our 10 pc j...

Страница 34: ...e https www 7 zip org 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 STEP2 Please download the library zip file from WiFiEsp master Open Arduino IDE click Sketch Include Library Add ZIP library then load above zip file into Arduino ...

Страница 35: ...STEP3 Search Google Play or Apple Store with the Keywords OSOYOO Wifi UDP Robot Car Controller and Download the APP DOWNLOAD APP FROM https osoyoo com driver arduino udp udp robot apk ...

Страница 36: ... driver mecanum_acrylic_chassis mecanum 2560 lesson5A zip Unzip the file and you will see a folder named mecanum 2560 lesson5A upload the code into Arduino 2 Open your Arduino Serial monitor and you will see a similar result as AP mode A new Wifi SSID osoyoo_robot with IP address 192 168 4 1 will show up in the window This means your Robot car has a Wifi Hot Spot name osoyoo_robot its IP address i...

Страница 37: ...8 4 1 port No 8888 4 Connect your cell phone to osoyoo_robot wifi hot_spot you can use Mobile phone control the robot car 5 You can click the v direction keys to make the car move Use pause key to stop the car movement ...

Страница 38: ... s Wifi SSID and password then Arduino talks to router and get its own LAN IP address from DHCP server You can use Mobile APP to access the robot car s IP address and control its movement 1 Please download STA mode sketch code from https osoyoo com driver mecanum_acrylic_chassis mecanum 2560 lesson5B zip Unzip the file and you will see a folder named mecanum 2560 lesson5b then load themecanum 2560...

Страница 39: ...dow in upper right corner of Arduino IDE and set 9600 baud then you will see following result 4 In this mode your will see an IP address which is our LAN IP address assigned by my router Please write down this IP address and click Setting to set up robot IP address and ...

Страница 40: ...s our robot car A REAL INTERNET OF THING device 6 You can click the v direction keys to make the car move Use pause key to stop the car movement Click Obstacle to shift left side Click Tracking to shift right side Click F1 to make upper left diagonal movement Click F3 to make upper right diagonal movement Click F4 to make back left diagonal movement Click F6 to make back right diagonal movement Sp...

Страница 41: ...SPEED value determines forward moving speed TURN_SPEED value determines turning speed SHIFT_SPEED value determines parallel shifting speed ...

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