Hello mlw,
in this case, in which you are interested in extracting the information of ECG sensor to make your own application, we recommend MySignals HW.
https://www.cooking-hacks.com/mysignals-hw-ehealth-medical-biometric-iot-platform-arduino-tutorial/You have a code available to read the raw data of the ECG wave:
Code:
/*
Copyright (C) 2016 Libelium Comunicaciones Distribuidas S.L.
http://www.libelium.com
By using it you accept the MySignals Terms and Conditions.
You can find them at: http://libelium.com/legal
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Version: 0.1
Design: David Gascon
Implementation: Luis Martin / Victor Boria
*/
#include <MySignals.h>
#include "Wire.h"
#include "SPI.h"
void setup()
{
Serial.begin(115200);
MySignals.begin();
}
void loop()
{
float ECG = MySignals.getECG(VOLTAGE);
Serial.print("ECG value : ");
Serial.print(ECG, 2);
Serial.println(" V");
// wait for a millisecond
delay(1);
}
Regards