Questions tagged [heartrate]
67 questions
9
votes
2 answers
Raw ECG signals from QardioCore via bluetooth (Android)
Is it possible to retrieve raw ECG signals programmatically from QardioCore via bluetooth?
I only have an Android device, and as the Android Qardio app doesn't work for QardioCore, I wanted to know if anyone already tried to write an own app for…

KevinSP
- 107
- 5
6
votes
2 answers
Is it possible to get heart rate updates from a Androidwatch in my app?
I have an Android app and I want to read the heart rate from any connected Android watch (Wear OS, Tizen, etc). Is this possible without developing a wearable app?
I tried registering a listener on the Sensor.TYPE_HEART_RATE but I don't see any of…

Dhananjay Suresh
- 1,030
- 1
- 14
- 28
4
votes
1 answer
Interpreting/parsing data from Bluetooth heart rate monitor (Cordova)
I am creating an application using Cordova which requires interpreting data from a Bluetooth HR monitor (capable of recording raw RR intervals, such as the Polar H7). I am using the cordova-plugin-ble-central
I am having a difficult time making…

Guy McLean
- 103
- 8
3
votes
1 answer
Android BLE - how to detect a heart rate sensor
Im trying to connect to an external heart rate sensor using BLE. As Im getting 5 different characteristic values, how to detect what values is used for heart rate monitoring?
How to convert byte array to readable result?

Boris Legovic
- 200
- 2
- 11
3
votes
0 answers
Difference between Android SensorManager and Google Fit raw sensor data?
For my app I need to read the user's latest heart rate to send in every message.
One is the Android SensorManager and the other is Google Fit's Sensors. Also there is Samsung's Health app (don't think this one will give me the data I need as I don't…

Dhananjay Suresh
- 1,030
- 1
- 14
- 28
2
votes
1 answer
unable to read heart rate service over Bluetooth
I am looking to create a simple python script that reads heart rate data from a Polar sensor over Bluetooth. I have read through a lot of other posts and cannot find something simple that I am able to successfully execute.
I have the device MAC…

glen
- 23
- 3
2
votes
1 answer
How to get raw ECG data with BLE
I'm currently working on a holter monitor. I can successfully show the heart rate (bpm) using the Heart Rate Measurement (0x2A37) characteristic of Bluetooth. But I want to show an ECG line graph so I need the raw heart data, with the voltage…

ceren
- 23
- 3
2
votes
1 answer
Get frequency with highest amplitude from FFT
I have raw accelerometer data in form of x,y,z axes which is smoothened and I applied a band pass filter. Now I want to convert it to frequency domain signal and using the scipy.fftpack.fft to apply FFT.
sampling_frequency = 32
def fft(acc_data):
…

Apoorva Manjunath
- 765
- 8
- 13
2
votes
3 answers
How to convert RR (IBI) data to Heart Rate in Javascript
after doing a some research I reached the point that I decided to ask here for advice as I am not sure how to proceeed.
The problem:
I have an array of RR (IBI) data
Example: [679, 686, 650...]
How can I convert this to heart rate?
My research:…

Jimmy Kane
- 16,223
- 11
- 86
- 117
1
vote
1 answer
MPandroid. The app is receiving data, but the chart is not updating
package com.example.communication;
import androidx.appcompat.app.AppCompatActivity;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.widget.TextView;
import…

Nirvana
- 11
- 1
1
vote
0 answers
remote trigger an action on apple iwatch
Can I check if there is a way to remote trigger an action to Apple iWatch (WatchOS).
I would like to get information like heartrate, other sensor info ONLY when I make a request for it remotely.
Thanks.

Axil
- 3,606
- 10
- 62
- 136
1
vote
1 answer
How to load raw heart rate vector into RHRV data structure
I am struggling with the RHRV library in R. The library is made for heart rate variability analysis and supports data files formats like ASCII, EDF, Polar, Suunto and WFDB. RHRV uses a custom data structure called HRVData to store all HRV…

Rafau
- 47
- 4
1
vote
0 answers
How to get ppg value with max30105 sensor
I want to get ppg value to max30105.
But i can't find ppg value in code.
Just i find heart rate.
How to get ppg value?
#!/usr/bin/env python
# NOTE! This code should not be used for medical diagnosis. It's
# for fun/novelty use only, so bear that…

vrouge
- 11
- 1
1
vote
0 answers
Obtain real-time heart rate/ecg from Apple Watch
is it possible to obtain the heart rate (or even the raw ecg data) from the Apple Watch in real time? If yes, what is the 'update frequency'? I.e. does the watch send the data every 100ms, every second, every 10 seconds? I'd need the data only for a…

Saul Good
- 21
- 4
1
vote
0 answers
Hardware to get a Bluetooth heart rate signal output as a pulse train?
A while ago I successfully used a Sparkfun Polar Heart Rate Monitor Interface (SEN-08661) to convert a 'Spirit' cross trainer to pick up the Bluetooth signal from my Polar H10 chest strap instead of needing to use their proprietary wireless chest…

user2834566
- 775
- 9
- 22