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DIY Bluetooth-Controlled Robot Using Arduino Nano & HC-05 Module Are you ready to create your very own Bluetooth-controlled robot? This guide will take you step by step through building a simple yet functional robot using Arduino Nano and the HC-05 Bluetooth module. Whether you’re a beginner in robotics or an enthusiast looking for your next project, this tutorial has all the details you need, including affiliate links for components, code, schematics, and the app APK. What You’ll Need Below are the components you’ll need for this project: Arduino Nano – Buy Here Mini Breadboard – Buy Here L298N Motor Driver – Buy Here HC-05 Bluetooth Module – Buy Here 3x 18650 3.7V Batteries – Buy Here 18650 Battery Charger – Buy Here 18650 Battery Holder – Buy Here Jumper Wires – Buy Here  Wheels – Buy Here DC Motors – Buy Here Android Smartphone with Bluetooth Control App – Download APK below. Note: Clicking on the links supports my work through affiliate partnerships. Step 1: Assembling the Hardware 1. Wiring the Arduino Nano: Download the Circuit Diagram for this project here Connect the Arduino Nano to the breadboard. This serves as the brain of the robot. 2. Connecting the L298N Motor Driver: Connect the motor driver outputs to the DC motors. Connect the motor driver’s power inputs to the battery holder. Attach the control pins of the L298N to the Arduino Nano. 3. Setting Up the HC-05 Bluetooth Module: Connect the HC-05 module to the Arduino Nano: VCC → 5V GND → GND RX → TX (Arduino Nano) TX → RX (Arduino Nano) 4. Power Supply: Insert the 3x 18650 batteries into the holder and connect it to the L298N motor driver for power. Step 2: Uploading the Code Download the code for this project here. Steps to upload: Open the Arduino IDE. Connect the Arduino Nano via USB cable. Paste the code and upload it to the Arduino. Code Highlights: The code enables communication between the HC-05 module and the Arduino Nano. It also processes the motor control commands sent from the Android app. Step 3: The Bluetooth Control App To control the robot, you’ll need an Android app that can send Bluetooth commands. Download the app’s APK file here. How to use the app: Pair your smartphone with the HC-05 module (default password: 1234 or 0000). Open the app and connect to the HC-05. Use the directional controls to move the robot forward, backward, left, or right. Step 4: Final Assembly Once all components are connected: Place everything neatly on the robot’s chassis. Secure the battery holder and breadboard. Ensure all wires are tucked away to avoid tangling with the wheels. Code and Schematics Arduino Code: Download Code Wiring Diagram: View Schematics App APK: Download APK Project in Action https://youtu.be/RRUloq1YoHE Watch the robot come to life as you control it using your smartphone! Troubleshooting Tips: Double-check your wiring connections if the robot doesn’t respond. Ensure the HC-05 module is paired successfully with your phone. Test the battery voltage to confirm sufficient power supply. Conclusion Congratulations! You’ve built a fully functional Bluetooth-controlled robot. This project is not only a great way to learn about robotics and Arduino but also a stepping stone for more advanced projects. If you enjoyed this tutorial, consider sharing it with fellow tech enthusiasts. For more such projects, follow me on Instagram @ishanxrobotics and check out my other tutorials on theishanjain.com. #Arduino #Robotics #BluetoothRobot #ArduinoNano #DIYRobotics #L298N #HC05 #RobotTutorial Affiliate Disclaimer: As an Amazon Associate, I earn from qualifying purchases.

Build Your Own Arduino Robot: A Guide to Creating an Obstacle Avoiding + Line Following Bot In today’s tech-driven world, robotics is becoming increasingly accessible to enthusiasts of all levels. One exciting project that combines both learning and fun is creating an Obstacle Avoiding + Line Following Robot using Arduino. This project not only teaches valuable skills in programming and electronics but also results in a functional robot that can navigate its surroundings autonomously. Project Overview: The Obstacle Avoiding + Line Following Robot is designed to navigate through a predefined path while avoiding obstacles in its way. It utilizes infrared (IR) sensors to detect lines and obstacles, an ultrasonic sensor for distance measurement, and a servo motor for precise movement. With the help of an Arduino microcontroller and an L298N motor driver, the robot can make real-time decisions to adjust its course accordingly. How It Helps: This project serves as an excellent learning experience for students, hobbyists, and anyone interested in robotics. By building this robot, enthusiasts can gain hands-on experience in programming, circuit design, and mechanical assembly. Additionally, understanding the principles behind obstacle avoidance and line following is valuable for future projects in automation, robotics, and artificial intelligence. Parts List (With Purchase Links): To build this project, you’ll need the following components: Arduino Uno :  https://amzn.to/4aRGoGf L298N motor driver : https://amzn.to/3ynUktq Infrared (IR) sensors (2x) : https://amzn.to/44BP15U Ultrasonic sensor : https://amzn.to/4aiozzx Servo motor : https://amzn.to/4alCPY2 150 RPM geared motors (2x) : https://amzn.to/3wvT3A5 Metal chassis : https://amzn.to/3JZmDBg Wheels & Track belts :  https://amzn.to/3V6fxBn Bread Board : https: //amzn.to/4362oKY Jumper wires : https://amzn.to/3PXUM7W Gear I Use: Multimeter: https://amzn.to/3Q4oHet Soldering Iron: https://amzn.to/3VXLZ9y Drill Gun: https://amzn.to/3V4axgN Tools: https://amzn.to/48ETGnY Other Components: Beginners Kit [Arduino] https://amzn.to/4bTqbS6 (Rs 1500- Rs 2000) https://amzn.to/48FcByU (Rs 1200- Rs 1500) https://amzn.to/3TlADui (Rs 2000- Rs 2500) https://amzn.to/3uONdJo (Rs 3500- Rs 4000) Code and Schematics: To access the code and schematics for this project, please visit the following Google Drive link: Code and Schematics Step By Step Video : For a step-by-step visual guide on building the Obstacle Avoiding + Line Following Robot, check out our YouTube video: Project Video Embark on your robotics journey today by building your own Obstacle Avoiding + Line Following Robot. It’s not just a project; it’s a gateway to endless possibilities in the world of robotics and automation. Happy building! Hashtags: #DIYRobotics #ArduinoProject #Robotics #STEM #MakerMovement #TechEnthusiasts #ObstacleAvoidance #LineFollowing #EngineeringProject

Exploring LiFi: Revolutionizing Wireless Communication https://youtu.be/7oW06o4MVZ0 Introduction In the ever-evolving landscape of wireless communication, a groundbreaking technology has emerged, poised to revolutionize the way we connect and communicate: LiFi. In this blog post, we delve into the fascinating world of LiFi, its discovery by Dr. Harold Hass, its applications, and how it compares to traditional WiFi and emerging 5G technology. Discovery of LiFi by Dr. Harold Hass LiFi, short for Light Fidelity, was pioneered by Dr. Harold Hass, a renowned professor at the University of Edinburgh. In a TED Talk that captivated audiences worldwide, Dr. Hass introduced the concept of data transmission through light waves, utilizing LED bulbs to transmit data at unprecedented speeds. His groundbreaking research laid the foundation for what would become a game-changing technology in wireless communication. Applications of LiFi The applications of LiFi span across various industries and sectors, offering unparalleled advantages in terms of speed, security, and efficiency. Some notable applications include: Smart Lighting Systems: LiFi-enabled LED bulbs can serve dual purposes, providing illumination while also transmitting data to connected devices. Indoor Navigation: LiFi can be used for precise indoor positioning, revolutionizing navigation systems in environments where GPS signals may be unreliable. Healthcare: LiFi offers secure and high-speed data transmission, making it ideal for healthcare applications such as remote patient monitoring and medical device connectivity. Aviation and Automotive: LiFi can enhance in-flight entertainment systems and enable high-speed data transfer within vehicles, improving passenger experience and safety. LiFi vs. WiFi and 5G LiFi offers several advantages over traditional WiFi and emerging 5G technology: Speed: LiFi boasts significantly higher data transfer speeds compared to WiFi and 5G, making it ideal for bandwidth-intensive applications. Security: LiFi offers enhanced security as light waves cannot penetrate through walls, reducing the risk of signal interception or interference. Interference: LiFi operates in the visible light spectrum, minimizing interference from other wireless signals and ensuring reliable connectivity. Sustainability: LiFi utilizes LED bulbs for data transmission, which are energy-efficient and environmentally friendly, contributing to sustainability efforts. Building Your Own LiFi Project For enthusiasts looking to explore LiFi technology and build their own projects, we provide an APK and source code along with links to purchase the necessary components: APK, Source Code & Circuit Diagrams : Download Here Components: Purchase the required components from the following links: Arduino Uno Arduino Nano LDR Module LCD Display Oled Display Jumper Wires BreadBoard Gear I Use Multimeter Soldering Iron Drill Gun  Tools Conclusion As we embark on the era of LiFi technology, the possibilities are limitless. From transforming our homes and offices with smart lighting systems to revolutionizing industries with high-speed data transfer, LiFi holds the promise of a brighter and more connected future. Join us in embracing this groundbreaking technology and unlocking its full potential. Youtube References Dr. Harold Hass TED Talk pureLiFi CRERA – Think Beyond Stay Connected! To stay updated on the latest advancements in LiFi technology and explore more exciting projects, subscribe to our channel and follow us on social media. Let’s illuminate the world together with LiFi!

Revolutionize Your Garden: Building an Automated Plant Watering System with Arduino Uno Introduction: In today’s fast-paced world, finding time to tend to our gardens can be a challenge. But what if there was a way to ensure our plants receive the care they need, even when we’re busy or away from home? Enter the world of DIY electronics and automation! In this blog post, we’ll explore how to build an automated plant watering system using Arduino Uno, revolutionizing the way we care for our gardens. Why Automated Plant Watering? Before we dive into the technical details, let’s consider the benefits of automated plant watering. By automating the watering process, we can: Ensure plants receive the right amount of water at the right time, promoting healthy growth. Save time and effort spent on manual watering, especially for large gardens or indoor plant collections. Monitor plant health remotely, allowing us to address any issues promptly, even when we’re away from home. Components Needed: To build our automated plant watering system, we’ll need the following components: Arduino Uno: The brains of our operation, responsible for monitoring soil moisture levels and controlling the watering system. Soil Moisture Sensor: Detects the moisture level in the soil and triggers the watering system when moisture levels are low. Relay Module: Controls the water pump or solenoid valve to deliver water to the plants. Breadboard 12v DC Pump : Delivers water from a reservoir to the plants. Jumper wires DC Socket Power Supply: Provides power to the Arduino Uno and other components. LCD Display + I2C:  DHT11 Temperature Sensor (for environmental monitoring). Building the System: Connect the soil moisture sensor to the Arduino Uno to measure soil moisture levels. Write code to read sensor data and control the relay module based on moisture levels. Connect the relay module to the water pump or solenoid valve to deliver water to the plants. Optionally, integrate additional sensors like the PIR motion sensor or DHT11 temperature sensor for enhanced functionality. Test the system to ensure proper operation and make any necessary adjustments. Watch the tutorial now to make your own Automated Garden Benefits of Using Arduino Uno: Arduino Uno is an ideal platform for building our automated plant watering system due to its ease of use, versatility, and affordability. With a vast community of makers and extensive documentation available online, Arduino Uno offers endless possibilities for creating custom electronics projects like ours. Conclusion: By harnessing the power of DIY electronics and automation, we can revolutionize the way we care for our gardens. With an automated plant watering system built using Arduino Uno, we can ensure our plants receive the care they need, even when life gets busy. So why wait? Let’s roll up our sleeves, unleash our creativity, and transform our gardens into thriving oases of greenery and life. Happy gardening! Copy the code below and paste it in your Arduino IDE to run   //Theishanjain.com //code by Ishan jain // visit https://theishanjain.com/index.php/home/ for more interesting stuff // Search @theishanjain on youtube !!! #include #include #define DHTPIN 2 // Pin connected to the DHT11 sensor #define DHTTYPE DHT11 // DHT 11 DHT dht(DHTPIN, DHTTYPE); LiquidCrystal_I2C lcd(0x27,16,2); int sensor_pin = A0; //Sensor Pin int relay_pin = 7; //Relay Pin void setup() { Serial.begin(9600); lcd.begin(16,2); lcd.backlight(); lcd.setBacklight(HIGH); dht.begin(); // Initialize DHT sensor pinMode(sensor_pin, INPUT); pinMode(relay_pin, OUTPUT); } void loop() { int sensor_data = analogRead(sensor_pin); int temperature = dht.readTemperature(); int humidity = dht.readHumidity(); Serial.print(“Sensor_data:”); Serial.print(sensor_data); Serial.print(“t | “); if(sensor_data > 950) { Serial.println(“No moisture, Soil is dry”); digitalWrite(relay_pin, LOW); lcd.setCursor(0,0); lcd.print(“Soil Dry “); lcd.setCursor(10,0); lcd.print(“T:”); lcd.print(temperature); lcd.print(“C”); Serial.print(“Temperature is: “); Serial.print(temperature); Serial.println(“C”); lcd.setCursor(10, 1); lcd.print(“H:”); lcd.print(humidity); lcd.print(“%”); Serial.print(“humidity is: “); Serial.print(humidity); Serial.println(“%”); Serial.println(“___________________________________________________”); lcd.setCursor(0,1); lcd.print(“Motor ON “); } else if(sensor_data >= 400 && sensor_data

Mastering Joystick Control: Arduino Nano Tutorial In the world of DIY electronics, the Arduino Nano is a powerhouse for creating innovative projects. One of the most versatile components you can add to your arsenal is the joystick module. In this blog post, we’ll dive into the fascinating realm of joystick control and learn how to interface a joystick module with an Arduino Nano. Understanding the Joystick Module: Before we jump into the technical details, let’s take a moment to understand the joystick module itself. This compact module consists of two potentiometers (one for the X-axis and one for the Y-axis) and a tactile switch. By manipulating the joystick’s position, you can generate analog signals that can be read by the Arduino Nano. Components:-(click on the links below to purchase) Arduino Nano Joystick module Jumper Wires Bread Board  Wiring the Components: The first step in our tutorial is to wire the joystick module to the Arduino Nano. Using jumper wires, connect the X-axis and Y-axis outputs of the joystick module to the analog input pins A0 and A1 on the Arduino Nano, respectively. Additionally, connect the switch output to a digital input pin, such as pin 2. Writing the Code: With the hardware setup complete, it’s time to write the code for our Arduino Nano. We’ll use the Arduino IDE to write a simple sketch that reads the analog values from the joystick module and maps them to servo motor positions. This will allow us to control a servo motor’s position by moving the joystick. Testing and Fine-Tuning: Once the code is uploaded to the Arduino Nano, it’s time to test our setup. Move the joystick in different directions and observe the movement of the servo motor. You may need to fine-tune the code and adjust the mapping values to achieve the desired behavior. Expanding Your Project: Now that you’ve mastered joystick control with Arduino Nano, the possibilities are endless. Consider integrating additional components, such as LEDs, motors, or sensors, to create more complex projects. With a solid understanding of joystick control, you’re well-equipped to tackle a wide range of DIY electronics projects. Conclusion: In this blog post, we’ve explored the exciting world of joystick control with Arduino Nano. By interfacing a joystick module with an Arduino Nano, you can create interactive projects that respond to user input in real-time. Whether you’re a beginner or an experienced maker, joystick control is a valuable skill to add to your toolkit. Code & Schematics //Theishanjain.com subscribe to our Youtube channel @Theishanjain //How to use the joystick module. //Read the code below and use it for any of your creation void setup() { Serial.begin(9600);//enable serial monitor } void loop() { int joy = analogRead(A0);//get analog value (0-1024) int joy1 = analogRead(A1);//get analog value (0-1024) String x = “x axis “;//creating string variable String y = “y axis “;//creating string variable Serial.print(x + joy);//print x axis value Serial.print(“t”);//tab space Serial.println(y + joy1);//print y axis value Serial.println( “”);//space delay(100);//delay } Watch The Youtube tutorial  now !!