Top 3 Best Robotics Projects for Science Fair

In this blog post, I will share with you the Top 3 DIY Robotics Projects.
1. Obstacle Avoidance Robotics Vehicle
2. Otto Walking & Dancing Robot
3. RC High Rang Robotics Vehicle

https://www.pcbway.com/?from=technology4power

Every electronic device needs PCBs. Are you looking for the Best PCB order? PCBWay is one the best PCB manufacturing companies. Order 10 pcs PCB for only $5. Visit now https://www.pcbway.com/?from=technology4power

Project 1

Easily Make An Obstacle Avoid Robotics Car At Home for School/Collage/University Project
Easily Make An Obstacle Avoid Robotics Car At Home for School/Collage/University Proje

Looking for an exciting robotics project for your school, college, or university? We have just the thing for you! In this comprehensive guide, we'll show you how to easily create an obstacle-avoidance robotic car at home. This hands-on project combines the thrill of building with the wonders of technology, using the versatile Arduino Uno microcontroller board. Get ready to dive into the world of robotics and impress your peers with your DIY skills!

Section 1: Understanding the Project

1. Discover the concept of obstacle avoidance robotics and its real-world applications.

2. Learn about the essential components required for this project.

3. Get acquainted with the Arduino Uno microcontroller and its capabilities.

Section 2: Gathering the Materials

1. A detailed list of all the components and materials you'll need.

2. Tips on where to find the necessary parts at affordable prices.

3. Alternative options for specific components, based on availability.

Section 3: Building the Robotic Car

1. Step-by-step instructions on assembling the chassis, wheels, and motor.

2. Wiring the components and connecting them to Arduino Uno.

3. Detailed illustrations to ensure accurate construction.

Circuit Diagram

https://www.pcbway.com/?from=technology4power

Section 4: Programming the Robot

1. Introduction to the Arduino programming language (based on C/C++).

2. Writing code for obstacle detection using ultrasonic sensors.

3. Implementing motor control commands to ensure smooth navigation.

Code:

#include <Servo.h> //Servo motor library. This is standard library

#include <NewPing.h> //Ultrasonic sensor function library. You must install this library

//our L298N control pins

const int LeftMotorForward = 7;

const int LeftMotorBackward = 6;

const int RightMotorForward = 4;

const int RightMotorBackward = 5;

//sensor pins

#define trig_pin A1 //analog input 1

#define echo_pin A2 //analog input 2

#define maximum_distance 200

boolean goesForward = false;

int distance = 100;

NewPing sonar(trig_pin, echo_pin, maximum_distance); //sensor function

Servo servo_motor; //our servo name

void setup(){

pinMode(RightMotorForward, OUTPUT);

pinMode(LeftMotorForward, OUTPUT);

pinMode(LeftMotorBackward, OUTPUT);

pinMode(RightMotorBackward, OUTPUT);

servo_motor.attach(10); //our servo pin

servo_motor.write(115);

delay(2000);

distance = readPing();

delay(100);

distance = readPing();

delay(100);

distance = readPing();

delay(100);

distance = readPing();

delay(100);

}

void loop(){

int distanceRight = 0;

int distanceLeft = 0;

delay(50);

if (distance <= 20){

moveStop();

delay(300);

moveBackward();

delay(400);

moveStop();

delay(300);

distanceRight = lookRight();

delay(300);

distanceLeft = lookLeft();

delay(300);

if (distance >= distanceLeft){

turnRight();

moveStop();

}

else{

turnLeft();

moveStop();

}

else{

moveForward();

}

distance = readPing();

}

int lookRight(){

servo_motor.write(50);

delay(500);

int distance = readPing();

delay(100);

servo_motor.write(115);

return distance;

}

int lookLeft(){

servo_motor.write(170);

delay(500);

int distance = readPing();

delay(100);

servo_motor.write(115);

return distance;

delay(100);

}

int readPing(){

delay(70);

int cm = sonar.ping_cm();

if (cm==0){

cm=250;

}

return cm;

}void moveStop(){

digitalWrite(RightMotorForward, LOW);

digitalWrite(LeftMotorForward, LOW);

digitalWrite(RightMotorBackward, LOW);

digitalWrite(LeftMotorBackward, LOW);

}

void moveForward(){

if(!goesForward){

goesForward=true;

digitalWrite(LeftMotorForward, HIGH);

digitalWrite(RightMotorForward, HIGH);

digitalWrite(LeftMotorBackward, LOW);

digitalWrite(RightMotorBackward, LOW);

}

void moveBackward(){

goesForward=false;

digitalWrite(LeftMotorBackward, HIGH);

digitalWrite(RightMotorBackward, HIGH);

digitalWrite(LeftMotorForward, LOW);

digitalWrite(RightMotorForward, LOW);

}

void turnRight(){

digitalWrite(LeftMotorForward, HIGH);

digitalWrite(RightMotorBackward, HIGH);

digitalWrite(LeftMotorBackward, LOW);

digitalWrite(RightMotorForward, LOW);

delay(500);

digitalWrite(LeftMotorForward, HIGH);

digitalWrite(RightMotorForward, HIGH);

digitalWrite(LeftMotorBackward, LOW);

digitalWrite(RightMotorBackward, LOW);

}

void turnLeft(){

digitalWrite(LeftMotorBackward, HIGH);

digitalWrite(RightMotorForward, HIGH);

digitalWrite(LeftMotorForward, LOW);

digitalWrite(RightMotorBackward, LOW);

delay(500);

digitalWrite(LeftMotorForward, HIGH);

digitalWrite(RightMotorForward, HIGH);

digitalWrite(LeftMotorBackward, LOW);

digitalWrite(RightMotorBackward, LOW);

}

Video Tutorial:

Section 5: Testing and Troubleshooting

1. Tips for testing your robot's functionality and identifying potential issues.

2. Common troubleshooting techniques and solutions.

3. Debugging strategies to overcome programming and hardware challenges.

Section 6: Taking It Further

1. Suggestions for expanding and customizing your robotic car project.

2. Exploring advanced features such as line following or Bluetooth control.

3. Recommendations for additional resources and further learning opportunities.

Conclusion:

Congratulations! You have successfully built an obstacle-avoidance robotic car using Arduino Uno. This engaging project has not only honed your technical skills but also deepened your understanding of robotics and programming. Whether you're a student or an enthusiast, this project showcases your creativity and passion for hands-on learning. Don't forget to document your progress, share your experiences, and inspire others with your achievements. Stay curious, keep exploring, and unlock a world of possibilities with DIY robotics!

Remember to subscribe to our blog for more exciting projects, tutorials, and updates. Join our community of like-minded individuals and continue your journey in the fascinating realm of robotics. Start building your obstacle-avoidance robotic car today and make an impact with your ingenuity and innovation!

Project2:

Otto Walking & Dancing Robot

A Step-by-Step Guide to the Robot of the Future

Introduction

Briefly introduce Otto and its significance in robotics.

Section 1: What is Otto?

1. Define Otto: Explain what Otto is and its primary purpose.

2. Brief History: Provide a short history of Otto's development.

Section 2: Getting to Know Otto

1. Physical Overview: Describe Otto's physical appearance, size, and components.

2. Technical Specifications: Share technical details like sensors, processors, and mobility mechanisms.

Section 3: Setting Up Otto

1. Unboxing: Walk readers through the unboxing process.

2. Assembling Otto: Explain how to assemble the robot if required.

3. Powering Up: Describe how to power on Otto and any initial setup steps.

Section 4: Programming Otto

1. Software Overview: Discuss the software interface and programming environment.

2. Basic Commands: Provide sample code for basic commands like movement, LED control, and sensor interactions.

3. Advanced Programming: Explain how to program Otto for more complex tasks or behaviors.

Section 5: Interacting with Otto

1. Controlling Otto: Describe how to control Otto remotely.

2. Interaction Modes: Explain different modes or responses that Otto can exhibit.

3. Practical Applications: Share ideas on how Otto can be used in education, research, or hobbies.

Section 6: Troubleshooting

1. Common Issues: List common problems users might encounter and how to resolve them.

2. Support Resources: Provide links or contacts for technical support.

Section 7: Tips and Tricks

1. Tips for Better Performance: Share tips to optimize Otto's performance.

2. Fun Projects: Suggest fun projects or experiments users can try with Otto.

Section 8: Conclusion

- Summarize the key takeaways from the blog post.

- Express your thoughts on Otto's potential impact on robotics and technology.

Creating an RC car robot is a fun and educational project that combines electronics, programming, and mechanical skills. In this step-by-step guide for your blog, I'll outline the general process of building an RC car robot using Arduino, but keep in mind that specific details may vary based on your chosen components and design.

Step 1: Gather Your Components

- RC car chassis with wheels and motors

- Arduino board (e.g., Arduino Uno)

- Motor driver module (L298N or L293D)

- Batteries and a battery holder

- Jumper wires

- RC transmitter and receiver module

- USB cable for programming

Step 2: Assemble the Chassis

1. Begin by assembling the RC car chassis according to the manufacturer's instructions. Attach the wheels and motors securely.

Step 3: Connect the Motors to the Motor Driver

1. Connect the two DC motors to the motor driver module. Typically, you'll have four connections per motor: two for power and two for direction control.

Step 4: Power Supply

1. Power your Arduino and motor driver separately with appropriate voltage sources, ensuring that you don't overload the Arduino with the motor's power requirements.

Step 5: Connect Arduino and Motor Driver

1. Connect the control pins of the motor driver module to your Arduino. You'll need to connect the pins responsible for motor direction (usually IN1, IN2, IN3, and IN4) and the enable pins (ENA and ENB).

Step 6: RC Receiver Connection

1. Connect the RC receiver module to the Arduino using jumper wires. Typically, you'll connect the receiver's signal pins to specific digital pins on the Arduino.

Step 7: Write Arduino Code

1. Write the Arduino code to control your RC car. You'll need to read the signals from the RC receiver and use this input to control the motors via the motor driver. Your code should include functions for moving forward, backward, left, right, and stopping.

Step 8: Test and Debug

1. Upload your code to the Arduino and test the RC car robot. Ensure that it responds correctly to your RC transmitter's commands. Debug any issues that arise.

Step 9: Fine-tune and Customize

1. Once the basic functionality is working, you can add additional features and customize your RC car robot, such as adding sensors for obstacle avoidance or remote camera control.

Step 10: Documentation

1. Document your project with clear images and explanations for each step. Include your Arduino code and wiring diagrams to help others replicate your project.

Step 11: Share Your Blog Post

1. Publish your step-by-step guide on your blog, and share it with the maker and robotics communities to inspire and assist others interested in building their own RC car robot.

Remember that building an RC car robot can be a complex project, and it may require some troubleshooting along the way. Be patient, enjoy the learning process, and have fun with your new creation!

Section 9: Additional Resources

- Provide links to additional reading material, tutorials, or forums related to Otto.

Section 10: Call to Action

- Encourage readers to share their experiences with Otto or ask questions in the comments section.

- Invite them to explore your other blog posts or subscribe to your blog.

**Author Bio and Contact Information:**

- Briefly introduce yourself as the author.

- Share your contact information or links to your social media profiles.

Conclusion:

- Remind readers of the importance of exploring and learning about innovative technologies like Otto.

- Thank them for reading and invite them to stay updated with your future posts.

Remember to include relevant images, videos, and links to resources to make your blog post engaging and informative.

Project:3

RC High Rang Robotics Vehicle

Building an RC Car at Home Using Arduino

Are you an electronics enthusiast who loves remote-controlled cars? In this step-by-step guide, we will show you how to create your very own RC car using readily available components such as Arduino ATmega 2560, an L298 motor driver, a 3-cell 18650 battery holder, Flysky FS-i6 transmitter, an FS-iA6B receiver. With a little bit of creativity and technical know-how, you'll be zooming around in your custom-built RC car in no time.

https://www.pcbway.com/?from=technology4power

Section 1: Gathering the Components

Before diving into the construction process, it's crucial to ensure you have all the necessary components at hand. Here's a list of the items you'll need:

1. Arduino ATmega 2560: A powerful microcontroller board that will serve as the brain of your RC car.

2. L298 Motor Driver: This motor driver will control the speed and direction of your car's motors.
3. 3-cell 18650 Battery Holder: Provides the necessary power to drive the motors and Arduino board.
4. Flysky FS-i6 Transmitter: A reliable and feature-rich transmitter for controlling your RC car remotely.

5. FS-iA6B Receiver: Receives signals from the transmitter and relays them to the Arduino board.

Section 2: Assembling the Chassis

1. Start by selecting a sturdy chassis for your RC car. You can repurpose an old toy car or build a custom one using materials like acrylic or wood.
2. Attach the motors to the chassis using brackets and screws. Ensure they are firmly secured to avoid any unnecessary vibrations.

3. Connect the wheels to the motor shafts, ensuring they rotate freely without any obstructions.

Section 3: Wiring the Electronics

1. Connect the L298 motor driver to the Arduino board. Refer to the datasheets or pinout diagrams to correctly identify and connect the required pins.
2. Connect the motors to the motor driver. Make sure to follow the correct polarity (positive and negative) for each motor.
3. Wire the FS-iA6B receiver to the Arduino board, allowing it to receive signals from the transmitter. Again, consult the datasheets for pinout information.

4. Connect the battery holder to the Arduino board and motor driver, ensuring you connect the positive and negative terminals correctly.

Section 4: Programming the Arduino

1. Install the Arduino IDE on your computer if you haven't already.

2. Open the Arduino IDE and create a new sketch.

3. Write the code that will control your RC car. This will involve reading signals from the receiver and translating them into motor movements.
4. Upload the code to your Arduino board and make any necessary adjustments or fine-tuning.

Code:

// Include iBus Library

#include <IBusBM.h>
// Create iBus Object
IBusBM ibus;
// Channel Values
int rcCH1 = 0; // Left - Right
int rcCH2 = 0; // Forward - Reverse
int rcCH3 = 0; // Acceleration
int rcCH5 = 0; // Spin Control
bool rcCH6 = 0; // Mode Control
// LED Connection
#define carLED 13
// Motor A Control Connections
#define pwmA 3
#define in1A 5
#define in2A 4
// Motor B Control Connections
#define pwmB 9
#define in1B 7
#define in2B 8
// TB6612FNG Standby Pin
#define stby 6
// Motor Speed Values - Start at zero
int MotorSpeedA = 0;
int MotorSpeedB = 0;
// Motor Direction Values - 0 = backward, 1 = forward
int MotorDirA = 1;
int MotorDirB = 1;
// Control Motor A
void mControlA(int mspeed, int mdir) {
// Determine direction
if (mdir == 0) {
// Motor backward
digitalWrite(in1A, LOW);
digitalWrite(in2A, HIGH);
} else {
// Motor forward
digitalWrite(in1A, HIGH);
digitalWrite(in2A, LOW);
}
// Control motor
analogWrite(pwmA, mspeed);
}
// Control Motor B
void mControlB(int mspeed, int mdir) {
// Determine direction
if (mdir == 0) {
// Motor backward
digitalWrite(in1B, LOW);
digitalWrite(in2B, HIGH);
} else {
// Motor forward
digitalWrite(in1B, HIGH);
digitalWrite(in2B, LOW);
}
// Control motor
analogWrite(pwmB, mspeed);
}
// Read the number of a given channel and convert to the range provided.
// If the channel is off, return the default value
int readChannel(byte channelInput, int minLimit, int maxLimit, int defaultValue) {
uint16_t ch = ibus.readChannel(channelInput);
if (ch < 100) return defaultValue;
return map(ch, 1000, 2000, minLimit, maxLimit);
}
// Read the channel and return a boolean value
bool readSwitch(byte channelInput, bool defaultValue) {
int intDefaultValue = (defaultValue) ? 100 : 0;
int ch = readChannel(channelInput, 0, 100, intDefaultValue);
return (ch > 50);
}
void setup()
{
// Start serial monitor for debugging
Serial.begin(115200);
// Attach iBus object to serial port
ibus.begin(Serial1);
// Set all the motor control pins to outputs
pinMode(pwmA, OUTPUT);
pinMode(pwmB, OUTPUT);
pinMode(in1A, OUTPUT);
pinMode(in2A, OUTPUT);
pinMode(in1B, OUTPUT);
pinMode(in2B, OUTPUT);
pinMode(stby, OUTPUT);
// Set LED pin as output
pinMode(carLED, OUTPUT);
// Keep motors on standby for two seconds & flash LED
digitalWrite(stby, LOW);
digitalWrite(carLED, HIGH);
delay (1000);
digitalWrite(carLED, LOW);
delay (1000);
digitalWrite(stby, HIGH);
}
void loop() {
// Get RC channel values
rcCH1 = readChannel(0, -100, 100, 0);
rcCH2 = readChannel(1, -100, 100, 0);
rcCH3 = readChannel(2, 0, 155, 0);
rcCH5 = readChannel(4, -100, 100, 0);
rcCH6 = readSwitch(5, false);
// Print values to serial monitor for debugging
Serial.print("Ch1 = ");
Serial.print(rcCH1);
Serial.print(" Ch2 = ");
Serial.print(rcCH2);
Serial.print(" Ch3 = ");
Serial.print(rcCH3);
Serial.print(" Ch5 = ");
Serial.print(rcCH5);
Serial.print(" Ch6 = ");
Serial.println(rcCH6);
// Set speeds with channel 3 value
MotorSpeedA = rcCH3;
MotorSpeedB = rcCH3;
// Set Mode with channel 6 value
if (rcCH6) {
// Spin Mode
// Turn on LED
digitalWrite(carLED, HIGH);
// Get Direction from channel 5 value
if (rcCH5 >= 0) {
//Clockwise
MotorDirA = 0;
MotorDirB = 1;
Serial.println("Clockwise");
} else {
//Counter-Clockwise
MotorDirA = 1;
MotorDirB = 0;
Serial.println("Counter-Clockwise");
}
// Add Motorspeed to channel 5 value
MotorSpeedA = MotorSpeedA + abs(rcCH5);
MotorSpeedB = MotorSpeedB + abs(rcCH5);
} else {
// Normal Mode
// Turn off LED
digitalWrite(carLED, LOW);
// Set forward/backward direction with channel 2 value
if (rcCH2 >= 0) {
//Forward
MotorDirA = 1;
MotorDirB = 1;
Serial.println("Forward");
} else {
//Backward
MotorDirA = 0;
MotorDirB = 0;
Serial.println("Backward");
}
// Add channel 2 speed
MotorSpeedA = MotorSpeedA + abs(rcCH2);
MotorSpeedB = MotorSpeedB + abs(rcCH2);
// Set left/right offset with channel 1 value
MotorSpeedA = MotorSpeedA - rcCH1;
MotorSpeedB = MotorSpeedB + rcCH1;
}
// Ensure that speeds are between 0 and 255
MotorSpeedA = constrain(MotorSpeedA, 0, 255);
MotorSpeedB = constrain(MotorSpeedB, 0, 255);
//Drive Motors
mControlA(MotorSpeedA, MotorDirA);
mControlB(MotorSpeedB, MotorDirB);
// Print speed values to serial monitor for debugging
Serial.print("Motor A Speed = ");
Serial.print(MotorSpeedA);
Serial.print(" | Motor B Speed = ");
Serial.println(MotorSpeedB);
// Slight delay
delay(50);
}

Section 5: Testing and Fine-Tuning

1. Power up your RC car by connecting the battery.

2. Turn on the transmitter and ensure it is bound to the receiver.

3. Gradually apply the throttle on the transmitter and observe the response of the RC car.

4. Test the steering functionality and make any adjustments if needed.

5. Fine-tune the code and electronics as required to optimize the performance of your RC car.

Reference Video:

Conclusion:

Congratulations! You have successfully built your very own RC car using Arduino ATmega 2560, L298 motor driver, 3-cell 18650 battery holder, Flysky FS-i6 transmitter, and FS-iA6B receiver. With your newfound knowledge, you can continue to experiment, modify, and improve your RC car further. Get ready to enjoy endless hours of exhilarating remote-controlled fun, exploring different terrains and challenging your driving skills. Remember to always prioritize safety while operating your RC car, especially in public areas or when interacting with other vehicles.

In addition to the basic build, there are several advanced modifications and enhancements you can consider:

1. Suspension System: Install a suspension system to improve the car's stability and handling on uneven surfaces. This will allow your RC car to navigate through rough terrains with ease.

2. LED Lights: Add LED lights to your RC car to enhance its appearance and enable night-time driving. You can install headlights, taillights, and even underbody lights to give your car a stylish and eye-catching look.

3. Wireless Camera: Incorporate a wireless camera module into your RC car to capture exciting videos or explore hard-to-reach areas. This will give you a first-person view (FPV) experience, allowing you to control your car while seeing through its perspective.

4. Smartphone Integration: Use Bluetooth or Wi-Fi connectivity to link your RC car to a smartphone app. This will enable you to control your car using your phone's touchscreen, access additional features, and even record telemetry data.

5. Custom Body Shell: Design and 3D print a custom body shell for your RC car to give it a unique appearance. You can create your own designs or find existing models online that match your preferences.

6. Performance Upgrades: Upgrade the motors, battery, or motor driver to enhance the speed, torque, and overall performance of your RC car. Just make sure the upgraded components are compatible with your existing setup.

Remember, the joy of building and modifying an RC car lies in experimentation and personalization. Don't be afraid to explore different ideas, incorporate your own creativity, and share your experiences with the RC car enthusiast community.

As you continue your RC car journey, stay updated with the latest developments in Arduino programming, motor control, and wireless communication. By staying informed and actively engaging with the RC community, you'll find endless possibilities to expand your knowledge and take your RC car projects to new heights.

So, what are you waiting for? Unleash your inner engineer, grab your tools, and embark on an exciting adventure of building and customizing your very own Arduino-based RC car!

Header Ads

Top 3 Best Robotics Projects for Science Fair