Digital Twin Foundation for Complete Beginners

Day 1 — Linux & Ubuntu Setup

• What is Linux? Why Ubuntu?
• Install Ubuntu 24.04 on VirtualBox
• Terminal basics: ls, cd, mkdir, cp, mv, rm
• File permissions: chmod, sudo
• VS Code installation + Python extension
• Hands-on: navigate filesystem via terminal only

Day 2 — Digital Twin Introduction & Installation

• What is Digital Twin? ROS 1 vs Digital Twin differences
• Digital Twin distributions — why Jazzy?
• Install Digital Twin Jazzy on Ubuntu 24.04
• Setup .bashrc environment
• Run your first Digital Twin command
• Understand the Digital Twin workspace and package structure

Day 3 — Nodes & Digital Twin Tools

• What is a Digital Twin Node?
• Write a Python Node — minimal code
• Write a Python Node — with OOP structure
• Create a Digital Twin workspace + Python package
• Digital Twin CLI tools: Digital Twin node list, Digital Twin node info
• rqt & rqt_graph — visualize node communication
• Colcon build system

Day 4 — Topics — Robot Communication

• What is a Digital Twin Topic? Publisher / Subscriber
• Write Python Publisher node
• Write Python Subscriber node
• TurtleSim introduction
• Drive TurtleSim with topic commands
• Monitor topics with Digital Twin topic echo, rqt_graph
• Hands-on: draw a straight line with TurtleSim

Day 5 — Services + TurtleSim Projects

• What is a Digital Twin Service? Request / Response model
• Write Python Service Server and Client
• TurtleSim: teleport turtle using service call
• TurtleSim: change pen color and width
• Project 1: Draw a rectangle
• Project 2: Draw a circle
• Mini project: draw any custom shape on command
• Course wrap-up + path to 10-Day course