A robot may begin with a few nodes, topics, and configuration files. Then more sensors, services, actions, computers, and contributors are added-and suddenly, every small change risks breaking something else.
The ROS Developers shows you how to move beyond isolated tutorials and organize complete ROS 2 applications that remain clear, testable, and manageable as they grow.
Inside, you'll learn how to:
Understand nodes, topics, services, actions, and parametersStructure workspaces and packages for reproducible buildsWrite focused Python and C++ nodesSeparate application logic from communication codeDesign stable messages, services, and actionsManage parameters, namespaces, remappings, and launch filesUse executors, callback groups, and lifecycle nodes correctlySelect Quality of Service settings for different data streamsHandle timestamps, coordinate frames, and transformsCompose components and distribute workloads across computersTest packages, launch systems, and failure conditionsDiagnose problems with logs, recordings, tracing, and command-line toolsPrepare applications for containers, security, supervision, and deploymentThe explanations are practical and conversational, with projects covering status monitoring, custom interfaces, namespaced sensor stacks, managed controllers, timestamped pipelines, fault testing, and a complete warehouse inspection system.
Whether you're a student, programmer, robotics engineer, or technical team member, this guide will help you create ROS 2 applications that are easier to understand, extend, troubleshoot, and deliver.