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  • I'm trying to implement some type of wear detection by pulling the environment data. Maybe I'm misunderstanding how the watch does it. Do I have to rely on the other sensor to detect if something is close to the watch? I cannot replicate getting a one. Only zeros when I run the code above. I can get numbers above zero by shining my phone's flashlight, but this isn't useful for my use case.
    I've been looking at this code snippet from the source code. https://github.com/espruino/Espruino/blo­b/master/libs/misc/hrm_vc31.c#L376

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