Learn ROS-ROS2 with Real Code Examples

ROS2 supports real-time with DDS QoS policies

Use efficient message types to reduce bandwidth

Minimize unnecessary logging in high-frequency nodes

Optimize callback functions for low-latency processing

Monitor CPU/memory usage in multi-node systems

ROS2 supports secure DDS communication

Restrict access to topics and services in production robots

Avoid exposing ROS nodes to unsecured networks

Validate messages and sensor data

Use cryptographic signing for critical commands if needed

Monitor topics with `ros2 topic echo` and rqt_graph

Use rosbag for logging and replaying data

Analyze node performance and latency

Debug distributed nodes across machines

Profile resource usage for optimization

Follow ROS2 best practices for node design

Document topics, services, and actions

Unit test nodes and packages

Use linters and static analysis for Python/C++

Modularize code for reusability and maintainability