Setting up ROS2 across multiple devices (different boards, distros, DDS config) for the first time — how many hours or days did it take before you had nodes talking reliably?
Specifically curious about:
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Device combo (RPi + Jetson, x86 + ARM, etc.)
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What broke (DDS discovery, distro mismatch, network config?)
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Rough time lost before it worked
Building a scaffolding tool and want real data, not estimates.