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Add notes about HRM motion artefact removal

master
Gordon Williams 2025-06-27 10:20:20 +01:00
parent 7ace5bd00d
commit 10de699459
2 changed files with 3 additions and 1 deletions
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apps/hrmmar/README.md
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Measurements from the build in PPG-Sensor (Photoplethysmograph) is sensitive to motion and can be corrupted with Motion Artifacts (MA). This module allows to remove these. Measurements from the build in PPG-Sensor (Photoplethysmograph) is sensitive to motion and can be corrupted with Motion Artifacts (MA). This module allows to remove these.
**WARNING:** On Bangle.js 2 this has been found to make heart rate readings [substantially less accurate in some cases](https://github.com/orgs/espruino/discussions/7738#discussioncomment-13594093) (the HRM already has built in motion artefact removal).
## Settings ## Settings
* **MA removal** * **MA removal**

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apps/hrmmar/metadata.json
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"shortName":"HRM MA removal", "shortName":"HRM MA removal",
"icon": "app.png", "icon": "app.png",
"version":"0.02", "version":"0.02",
"description": "Removes Motion Artifacts in Bangle.js's heart rate sensor data.", "description": "Removes Motion Artifacts in Bangle.js's heart rate sensor data. **WARNING:** On Bangle.js 2 this has been found to make heart rate readings substantially less accurate in some cases.",
"type": "bootloader", "type": "bootloader",
"tags": "health", "tags": "health",
"supports": ["BANGLEJS","BANGLEJS2"], "supports": ["BANGLEJS","BANGLEJS2"],