MicroROS and ESP32 WiFi Controlled Robot Hands-On using ROS2

🎉 Dive into Mobile Robotics with ESP32 and ROS! 🚀

Course Updated to ROS NOETIC: 🛠️ You rated the old version highly, but wait until you experience the new update! We've revamped our projects and explanations to make your learning journey even more enjoyable and effective. 😄

Course Workflow Overview:

1. Section 1: Basic ROS - ESP32 Interfacing 🎓

   • Led Toggling: Start with the basics by making an ESP32 control an LED.
   • Ultrasonic Sensor and Turtlesim: Learn to interface with an ultrasonic sensor and integrate it with Turtlesim for object detection.

2. Section 2: ROS based Car driving 🚗✨

   • Motor Controlling: Get hands-on experience controlling motors with ROS.
   • cmd_vel to Pwm Serial: Translate cmd_vel commands into PWM signals for motor control.
   • Car Control over Wifi: Command your car wirelessly through your home network.

3. Section 3: Robot car and ROS services 🛠️

   • Encoders interfacing: Understand how to use encoders to measure distance traveled by the robot.
   • ROS Service Nodes: Write service nodes that can be called remotely.
   • Driven robot through Services on Time: Master scheduling and executing services to drive your robot at precise times.

4. Section 4: Odometery publishing Car Driving 🧮🚙

   • Encoders ticks profiling: Analyze encoder ticks for accurate odometry data.
   • Odom differential Drive Rviz: Set up a detailed Rviz simulation to visualize your robot's movement.
   • Transforms: Learn how to use transformations in ROS for accurate positioning and orientation.

Outcomes After this Course: 🏆 You will be able to:

• Create a custom workspace and Python package.
• Develop custom Python nodes for various tasks.
• Set up Rosserial packages for communication between ESP32 and ROS.
• Establish Serial and Wifi communication with ESP32 from ROS.
• Write launch files to control your robot automatically.
• Use RVIZ for simulating transforms and visualizing odometery.

Projects: 🛠️

• TurtleSim Obstacle Avoidance: Implement a real-world sensor to avoid obstacles in TurtleSim.
• Driving Custom Robot Over WiFi: Command your custom robot over the home network.
• ROS Custom Services for Timed Driving: Develop and schedule ROS services for precise maneuvers.
• Odometery Visualization of Your Custom Robot: Visualize your robot's movement using RViz for odometry data.

Hardware Requirements: 🛒

• ESP32 (the brain of your robot)
• Robotic Car Kit (your mechanical platform)
• Battery and Charger (to power your robot)
• Ultrasonic Sensor (for sensing distances)
• Motor Driver (L298D, to control motors)
• Jumper Wires (for making electrical connections)
• LM393 Speed Sensor x2 (for wheel encoders)

Software Requirements: 💻

• Ubuntu 20.04 (the operating system)
• ROS Noetic (the networking framework for robotics)
• A motivated mind ready to tackle a huge programming project! 💪

🚀 Before buying, take a look into this course GitHub repository or message the instructor 💌 if you don't want to buy but still want to learn from the code provided. Either way, this course is your gateway to mastering ESP32 interfacing with ROS for real-world mobile robotics applications! 🚀