node-red-contrib-ble-heart-rate 0.2.0

Retrieve data from BLE heart rate monitors

npm install node-red-contrib-ble-heart-rate

A contributed Node-RED node, that retrieve data from BLE heartrate monitors.

Overview

This node connects to a BLE heartrate monitor, retrieve metrics e.g. heartrate, rri etc, and pass them to the next node.

This node supports the standard BLE GATT - which is the heartrate monitor service and characteristic as "180d" and "2a37" accordingly.

Installation

Mostly you can move to /.node-red and install this package using npm as below.

$ cd $HOME/.node-red
$ npm install node-red-contrib-ble-heart-rate

Usage

  • turn on your BLE heart rate moitor device
  • place the ble heartrate node on the flow
  • deploy the flow
  • the node status changes to connected
  • the node start to transmit time, flag, hbr, rri1, rri2 through msg.payload to the next node

example:

{
    "time": 2017-12-16T13:15:20Z,
    "flag": 22,
    "hbr": 73,
    "rri1": 852,
    "rri2": null
};

Node status

This ble heartrate node has below satus which represents BLE connection status with target devices.

status description
scanning Scanning BLE devices nearby
discovered A BLE device is discovered
connected Connected to a BLE device
disconnected Disconnected a BLE device
waiting Waitint for 10 seconds till the next scan

Configuration

  • Name
    • Change the name of the node from the default ble heartrate to whatever you want.
  • Authorized peripheral address
    • e.g. xx:xx:xx:xx:xx:xx
    • default: null (Any BLE devices nearby could be connected.)

License

MIT License

Copyright (c) 2017 tomo-makes (Tomo Masuda)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Node Info

Version: 0.2.0
Updated 1 month, 1 week ago
License: MIT

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Keywords

  • node-red
  • heartrate
  • heart
  • vital

Maintainers

  • tomo-makes