empatica-e4-client

empatica-e4-client is a node.js module, which can communicate with Empatica BLE Server to fetch the sensor stream data from the EmpaticaE4 device.

Instruction to setup the Emaptica BLE Server is provided in link

Installation

$ cd <project_path>
$ npm install empatica-e4-client

Subscribe Options

EmpaticaE4.E4_ACC   //3-axis accleration
EmpaticaE4.E4_BVP   //Blood Volume Pulse
EmpaticaE4.E4_GSR   //Galvanic Skin Response
EmpaticaE4.E4_TEMP  //Skin Temperature
EmpaticaE4.E4_IBI   //Interbeat Interval
EmpaticaE4.E4_BATT  //Device Battery
EmpaticaE4.E4_TAG   //Device Tag

Demo

var EmpaticaE4 = require('empatica_e4-client');
var dev1 = new EmpaticaE4();

var portNumber  = 28000;
var ipAddress   = '127.0.0.1';
var deviceID    = 'XX1234';        //Empatica E4 device ID 
dev1.connect(portNumber ,ipAddress, deviceID, function(data){  
	var sensorData = EmpaticaE4.getString(data);
	console.log(sensorData);
});
setTimeout(function() {
	dev1.subscribe(EmpaticaE4.E4_BVP);
}, 1000);