Turtle Sim Draw N

This workspace contains a custom ROS 2 package that enables the classic turtlesim simulator to trace the letter “N”, representing NC State University.

Dependencies

• ROS2 Jazzy
• Python3
• Turtlesim (ros-jazzy-turtlesim)

To install turtlesim:

sudo apt update
sudo apt install ros-jazzy-turtlesim

Setup

# Source ROS2 Jazzy
source /opt/ros/jazzy/setup.bash

# Build the workspace
colcon build --symlink-install

How to Run

You’ll need two terminal windows — one for the turtlesim_node and one for your custom node.

1. In the first terminal, source ROS 2 and your workspace, then start TurtleSim:

   source /opt/ros/jazzy/setup.bash
   source install/setup.bash
   ros2 run turtlesim turtlesim_node

2. In a second terminal, source again and run the custom package:

   source /opt/ros/jazzy/setup.bash
   source install/setup.bash
   ros2 run turtlesim_draw_n turtlesim_draw_n

Result

The Turtle will trace the letter N as shown below: