Reachy 2023 Speaker Audio Playback: SSH, Python, and the ReachyAudio Library
A practical guide to accessing Reachy 2023’s built-in speakers — from quick Linux audio over SSH to Python playback code and the ReachyAudio library.
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How to Play Audio Through Reachy 2023’s Speakers: A Practical Guide
Reachy 2023’s official docs skip audio entirely. Here are three working approaches — ReachyAudio, direct SSH with Linux tools, and the Reachy 2 SDK — to get sound playing through the robot’s speakers.
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Reachy Robot Camera Not Detected: Diagnosing USB Enumeration, Kernel Drivers, and ROS
Empty lsusb output on a Reachy 1 robot means the camera never reached the USB bus — here’s how to isolate the fault layer by layer, from kernel logs to ROS camera topics.
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Three Reachy2 Simulations in Parallel: Docker Port Mapping and Isolation Guide
How to run three Reachy2 robot simulations simultaneously in isolated Docker containers — covering port mapping, ROS_DOMAIN_ID isolation, Docker Compose config, and Python SDK connectivity.
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Running Multiple Reachy2 Simulations in Docker: Port Mapping and ROS 2 Domain Isolation
How to run three simultaneous Reachy2 Unity simulations in isolated Docker containers, each on its own gRPC port, with a working Compose file and proper ROS 2 domain isolation.
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Reachy Robot Camera Not Detected: A Step-by-Step Diagnosis Guide
Reachy 1 cameras missing from lsusb and /dev/video*? Learn how to read the diagnostics correctly and fix the problem from physical connections up to the ROS 2 layer.
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Running Multiple Reachy2 Simulations in Parallel Docker Containers with Isolated gRPC Ports
Step-by-step guide to running three Reachy2 robot simulations simultaneously in isolated Docker containers, each with its own gRPC endpoint on ports 50051–50053.
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Reachy Robot 1 Camera Not Detected: Full Diagnosis and Fix Guide
Blank lsusb output and no /dev/video* nodes on your Reachy 1? Work through hardware, kernel, and ROS2 layers systematically to find and fix the camera fault.