How do I connect the Sonoff to a motion sensor to avoid failure?

The discussion addresses integrating a Sonoff smart switch with a motion sensor to enable lighting control both remotely/timed and via motion detection. Concerns were raised about potential failures or conflicts when both the Sonoff and motion sensor attempt to supply voltage simultaneously, possibly causing relay damage or switching issues. It was clarified that diodes are unnecessary and may be harmful in certain lighting setups because the relays inside the Sonoff provide electrical separation. The relay is placed on the phase line, with neutral passing through, and the motion sensor wiring should follow the same principle. However, caution is advised since some motion sensors may not contain relays and could use triac-based switching, which affects compatibility and wiring considerations. The importance of verifying the sensor's switching method and power rating was emphasized to avoid damage or malfunction.
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