Digital Twin Essentials With Simulation Intro

Day 1 — Linux & Ubuntu Setup

• Ubuntu 24.04 install on VirtualBox
• Terminal commands
• File permissions + sudo
• VS Code + Python extension setup
• Hands-on: terminal navigation challenge

Day 2 — Digital Twin Installation

• What is Digital Twin? ROS1 vs Digital Twin
• Install Digital Twin Jazzy + .bashrc setup
• Digital Twin workspace & package structure
• Run first Digital Twin program
• Digital Twin CLI basics

Day 3 — Nodes & Digital Twin Tools

• What is a Node?
• Python Node — minimal + OOP
• Create workspace + package
• Digital Twin CLI: node list, node info
• rqt_graph + colcon build

Day 4 — Topics — Communication

• Publisher + Subscriber in Python
• Write C++ Publisher (intro)
• TurtleSim: drive with topics
• Digital Twin topic echo / list / info
• Hands-on: drive turtle in a pattern

Day 5 — Services

• Service Server + Client (Python)
• TurtleSim teleport via service
• Pen color + width control
• Digital Twin service call from terminal
• Hands-on: draw rectangle with turtle

Day 6 — Parameters & YAML

• What are Digital Twin Parameters?
• Using Parameters in Python Nodes
• YAML parameter files
• Load params via launch file
• TurtleSim: control speed via params

Day 7 — Launch Files

• What is a Launch File?
• XML Launch Files
• Python Launch Files
• Remappings + namespaces
• Launch TurtleSim stack with one command

Day 8 — Digital Twin Actions

• What are Actions? Goal / Feedback / Result
• Action Server in Python
• Action Client in Python
• TurtleSim: navigate to goal with action
• Digital Twin Bags: record & replay data

Day 9 — Custom Messages + Gazebo Intro

• Create custom .msg files
• Custom .srv files
• Use custom msgs in Python nodes
• Gazebo simulator: what it is & why
• Spawn a simple robot in Gazebo (demo)

Day 10 — TurtleSim Projects + Wrap-Up

• Project 1: Draw a circle
• Project 2: Draw a spiral
• Project 3: Draw any shape on command
• Project 4: Launch multi-turtle system
• Demo day + path to 15-Day course