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Tutorials
Robotics: ROS2
Differential Drive Robot
ROS2 Navigation: Basics
Navigation: Sensors
Mapping and Localization
Navigation: Improved project
Navigation: Examples
Waypoint Follower
Navigating with Keepout Zones
Navigating along given path
Go to battery charger
Dock to battery charger - 1
Dock to battery charger - 2
Dock to battery charger - 3
Multiple Robots
Multiple Robots: Traditional approach
Custom Nav Algorithms
Localization and Custom Path
Lines and Markers
Map Editing Utility
Building 2.5d world
Textured 3d mesh from topo map
Adding roads to 3d mesh
First Person View 2.5D world navigation
Navigation in 2.5D world
Kalman Filter
Using Kalman Filter for ROS2 Localization
Simulation with slippage and drift
Sensor Fusion
Sensor Fusion and Localization in 3d
Robotic Arm
6 DOF Manipulator and Controllers
Gripper
Fixing Gazebo Gripper
Robotics: Hardware
ESP8266
Relays and solenoids
Servo motors
L293D motor driver
Controlling servo with ESP8266 / ESP32 board
Here is the code to controm servo with ESP8266 board. Here, the ESP32Servo is used, other than that, the code is pretty much the same.
Same can be achieved with standard Servo library: