diff --git a/apps/hrrawexp/README.md b/apps/hrrawexp/README.md index 07f562a31..abf2d3d7c 100644 --- a/apps/hrrawexp/README.md +++ b/apps/hrrawexp/README.md @@ -1,11 +1,13 @@ Extract hrm raw signal data to CSV file ======================================= -Simple app that will run the heart rate monitor for a defined period of time you set at the start. +Simple app that will run the heart rate monitor for a defined period of time you set at the start. + +-The app creates a csv file (it's actually just 1 column) and you can download this via My Apps in the App Loader. -The max time value is 60 minutes. --The first item holds the data/time when the readings were taken and the file is deleted each time the app is run. +-The first item holds the data/time when the readings were taken and the file is reset each time the app is run. -The hrm sensor is sampled @50Hz and this app does not do any processing on it other than clip overly high/extreme values, the array is written as-is. There is an example Python script that can process this signal, smooth it and also extract a myriad of heart rate variability metrics using the hrvanalysis library: https://github.com/jabituyaben/BangleJS-HRM-Signal-Processing