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Questions tagged [heartrate]

67 questions
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is there anyway to get heart rate from smart watch without builds an application for the watch?

we want to build an android application to get heart rate data and access the sensors on it and get data over Bluetooth in java , please can any one help ? watch used : Samsung classic s3 work in tizen. m.
Mohammad Abumurra
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Passing Continuous Data (like Heart Rate) from ViewController to Another ViewController

I am working on a Fitness app that gets data from Bluetooth Sensors (Heart Rate) and this data is a continuous stream of data. My current implementation to show the data is to have both the Bluetooth Manager and the Display in the same view…
app4g
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HealthKit HKObserverQuery not firing consistently

I am building an app which is supposed to listen to changes in HealthKit regarding newly added heart rate data using HKObserverQuery but weirdly the observer's updateHandler block doesn't fire consistently when I debug using breakpoints and console…
Tomer Ciucran
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iOS Swift explore basic heart rate data as broadcast messages without pairing

i was implementing an iOS demo app to read data from HR monitor like Polar , Wahoo. I discovered and connect/pair(ed) the devices and got data successfully from multiple simultaneous bluetooth connection. Now my requirement is to collect data from…
Jamshed Alam
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Cannot accumulate heart rate data in Google Fit Api for the past week

I am tyrying to grab the Heart Rate Summary for one week from the Google Api, but I get no result just the datatype name. If I grab only for a specific hour the Api return the heart rate grabbed from mi Mi Band 5 every 5 minutes or so. If anyone…
Νίκος Τιτομιχελάκης
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Does Heart Rate Services/Characteristics Assigned Number in BLE Devices is different for each manufacturer/Brand?

I have been working on a Mobile application in react-native which connects to any SmartWatch(fitbit/Samsung) or any sensors which advertise the heart rate with their services and characteristics. Currently i'm holding a Fitbit Versa Lite Smart Watch…
Madhu
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How to convert UInt16 or bytes into heart beat rate in React Native

I'm trying to read the heart beat rate from my Fitbit Versa Lite Smart Watch from my React-Native application, i was able to get the characteristics of the heart rate and was able to get the value in encoded base64 format like below Heart Rate Data:…
Madhu
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Heart Rate Variation on Android

How can I get the Heart Rate Variability using the Heart Sensor on Android? I managed to code an activity to measure the heart rate, but it seems that there is no way to do so for HRV. Any help would be greatly appreciated. What I…
Darkmoon Chief
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Android wear os displays heart rate as 1 when trying it on the device

I've made a simple app for wear os that displays the heart rate on a textView. The app runs perfectly with no bugs but when it comes to displaying the value it just says 1. The sensor works fine with other apps. public class MainActivity extends…
pauriush
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What is the definition of the notification response for Movesense /Algo/ECGRR?

What is the content & format of the notification response for /Algo/ECGRR? I've subscribed to it on the movesense hardware using a slightly modified version of the DataLoggerSample Android app from the Movesense-mobile-lib repository, with the…
bluesquall
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Reading MAX30101 HR and SP02 data

I am trying to calculate heart rate and peripheral capillary oxygen saturation (SPO2) from a MAX30101 High-Sensitivity Pulse Oximeter and Heart-Rate Sensor. I understand when I am in HR mode my sample has 3 bytes, and when I am in SPO2 mode, sample…
aztaztazt
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Getting empty values from GoogleFit API - Heart Rate Aggregate

long startDateInMS = dateUTCToMillisecs(startDate); long endDateInMS = dateUTCToMillisecs(endDate); DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX"); …
sourabh dadapure
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How to eliminate variables when they are to close together (i.e. closer than 200 ms -> delete the row )

first post today. Currently i am working on my research and i have to analyze heart rate data. Now that i've completed most of my code i came to the discovery that the algorithm i am working in (RHRV) utilizes the occurences of the heartbeats, with…
Sander
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Problems returning heart rate values using `HKAnchoredObjectQuery` on Series 5 Watch and Watch OS6

I am using HKAnchoredObjectQuery to query for heart rates as I would prefer not to use the WorkoutBuilder API for this app. This query has always returned heart rates during a workout at normal sample rates (per second etc) but I noticed that while…
GarySabo
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Converting heart beat rate to animate pulsing graphic

My maths is terrible. The graphic must pulse synced to HR. The pulsing is controlled by an opacity value that maxes out at 100=fully opaque and starts at 0=transparent. So i need to ramp up to 100 in fractions and back down again and repeat all…
Rob
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