Geeve George
Published © MIT

SUMO : Smart Pulse Monitor ( A Low Cost Smart ECG )

SUMO is a low cost pulse monitor which uses an algorithm to convert raw analog sensor data into BPM ( Beat's Per Minute )

AdvancedFull instructions provided2,072
SUMO : Smart Pulse Monitor ( A Low Cost Smart ECG )

Things used in this project

Story

Read more

Custom parts and enclosures

SUMO Finger Holder

Code

Sumo Arduino Sketch

Arduino
/*
 * Smart Pulse Monitor 
 * Author : Geeve George
 */
 
 
#include <Wire.h>

const int analogInPin = A0;  


int sensorValue = 0;       

int count=0;
unsigned long time1=0;  
unsigned long time2;    


#include "rgb_lcd.h"

rgb_lcd lcd;

const int colorR = 255;
const int colorG = 0;
const int colorB = 0;

void setup() {
 
  Serial.begin(9600); 
 
  lcd.begin(16, 2);
    
    lcd.setRGB(colorR, colorG, colorB);
}

void loop() {

  
  
  
  if(count==0)
  {time1=millis();
  }
  time2=millis();
  sensorValue = analogRead(analogInPin);
  
     
    
    
    
 
  if(time2>=time1+10000)
  { counter();
  }
  

  if(sensorValue <500){
    
    lcd.clear();
    
    Serial.println("Insert finger");
    lcd.setCursor(0,0);
    lcd.print("Insert Finger");
  
   
    return;
 }
                       
       
      

  
  if(sensorValue >500){
    
    lcd.clear();
  digitalWrite(Led, HIGH);
    increment();

  Serial.println(sensorValue);
 Serial.println(count);
 Serial.println(time2);
 lcd.setCursor(0,0);
 lcd.print("Counting");
    
  }
  
 
 delay(200);
    
  }

void increment()
{
  count++;

} 

    void counter()
{ 
  lcd.clear();
  count=count*6;
  Serial.print("Heart beat: ");
  Serial.print(count);
  lcd.setCursor(0,0);
  lcd.print("Heart beat:");
  lcd.setCursor(0,1);
  lcd.print(count);
  lcd.print(" BPM");
  
  
  time1=0;
  time2=0;
  count=0;
  
 delay(5000);
    

  
 
}

Processing Sketch

Arduino
/*
 * Smart Pulse Monitor 
 * Author : Geeve George
 */
 


import processing.serial.*;
    Serial myPort;
    int xPos = 1;
    float oldHeartrateHeight = 0;

    void setup () {
    // set the window size:
    size(1000, 200);
    frameRate(30);

    // List available serial ports.
    println(Serial.list());

    // Setup which serial port to use.
    // This line might change for different computers.
    myPort = new Serial(this, "COM16", 115200);

    // set inital background:
    background(0);
    }

    void draw () {
    }

    void serialEvent (Serial myPort) {
    // read the string from the serial port.
    String inString = myPort.readStringUntil('\n');

    if (inString != null) {
    // trim off any whitespace:
    inString = trim(inString);
    // convert to an int
    println(inString);
    int currentHeartrate = int(inString);

    // draw the Heartrate BPM Graph.
    float heartrateHeight = map(currentHeartrate, 0, 1023, 0, height);
    stroke(0,255,0);
    line(xPos - 1, height - oldHeartrateHeight, xPos, height - heartrateHeight);
    oldHeartrateHeight = heartrateHeight;
    // at the edge of the screen, go back to the beginning:
    if (xPos >= width) {
    xPos = 0;
    background(0);
    } else {
    // increment the horizontal position:
    xPos++;
    }
    }
    }

AWS Lambda Function

JavaScript
var https = require('https');

var CONFIG = {
 
  partner_token:          'API_TOKEN',
  token:                  'USER_TOKEN', 
  user_id:    "user_id",
  serial_id:   "serial_id",
 
},
DATA = {};

function logData(event, context) {
  var clickType = event.clickType;
  switch(clickType.toLowerCase()) {
   
    }
    }
    }

  var data = {
    
    user_name:            CONFIG.user_name;
    sl_no:           CONFIG.dl_no;
    ,
    datalog: {},
    order_comment:                  'The data was sucesfully stored'
  };

 
  data = JSON.stringify(data);
  
  var headers = {
    'Content-Type':   'application/json',
    'Content-Length': Buffer.byteLength(data)
  };


  var req = https.request(options, function(res) {
    console.log(res.statusCode);
    if (res.statusCode == 200 || res.statusCode == 201) {
      context.succeed(event);
    } else if (context) {
      context.fail(event);
    }

    res.on('data', function (chunk) {
      console.log("" + chunk);
    });
  });

  req.write(data);
  req.end();
}

exports.handler = logData;

Credits

Geeve George

Geeve George

6 projects • 31 followers
I work on arduino, intel edison and android development for making assistive technologies for specially abled people.
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