"Offline" heart rate data

[espruino-discuss2]

Posted at 2023-03-22 by Graphity

Hi guys,

I searched this forum but didn't find what I was looking for:
Usually, when I do sports, I don't have my phone with me but my banglejs.
When I look at the statistics, especially the heart rate, there is a smooth line between when I left my phone and when I came back. It looks like heart rate only gets transferred to the phone, when it is connected (in the screenshot: not connected between 1740 and 1920).

Is there a way to save this "Offline" HRM data and collect it, when banglejs and phone connect? Is this planned?

I found the app Health Tracking, perhaps this data can be used?

---

Attachments:

• Screenshot_20230322-202604.png

[espruino-discuss2]

Posted at 2023-03-22 by @thyttan

Somewhat related: https://forum.espruino.com/conversations/381011/#comment16742671

Maybe you can find some related issue over at the gadgetbridge repo. I think I remember reading a conversation on some issue regarding syncing data when reconnecting to the app.

---

Posted at 2023-03-23 by Mi

Is there a way to save this "Offline" HRM data and collect it, when banglejs and phone connect? Is this planned?

Not sure if you search specifically for a gadgetbridge HRM "cache" or any offline HRM while doing sports. Some thoughts on this (not knowing what you know already):

• There are a number of apps recording hrm offline like recorder or run app. But need to be started/stopped manually and later downloaded manually. I am not aware of an automatic sync. Typically you set them to sample hrm much more often than you might have set for the health app.
• For soprts the build in sensor is not very reliable with the current firmware. But Bangle can recieve chest belt signal and store this (or both) also offline
  [see https://forum.espruino.com/conversations/372681/ for more information about PPG at rest / strong movement]

---

Posted at 2023-03-24 by Graphity

Thanks a lot guys! This seems to be a topic that I should investigate some time. But it involves Gadgetbridge and BangleJS and that makes it complex.
Thanks

---

Posted at 2023-03-24 by @gfwilliams

Hi - someone commented asking this yesterday as well on a GitHub issue: espruino/BangleApps#718

Was that you, or someone else?

Probably best if we chat about it on that issue - I'll post an update there in a minute