From 10de699459260429a5fcd9e01ae381597dc44db7 Mon Sep 17 00:00:00 2001 From: Gordon Williams Date: Fri, 27 Jun 2025 10:20:20 +0100 Subject: [PATCH] Add notes about HRM motion artefact removal --- apps/hrmmar/README.md | 2 ++ apps/hrmmar/metadata.json | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/apps/hrmmar/README.md b/apps/hrmmar/README.md index 2d9612117..4f512c773 100644 --- a/apps/hrmmar/README.md +++ b/apps/hrmmar/README.md @@ -2,6 +2,8 @@ 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 * **MA removal** diff --git a/apps/hrmmar/metadata.json b/apps/hrmmar/metadata.json index fcb2fac5c..5ff49f3fc 100644 --- a/apps/hrmmar/metadata.json +++ b/apps/hrmmar/metadata.json @@ -4,7 +4,7 @@ "shortName":"HRM MA removal", "icon": "app.png", "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", "tags": "health", "supports": ["BANGLEJS","BANGLEJS2"],