Advanced International Journal for Research

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Portable ECG Monitoring System: A Low-Cost Device for Rural Healthcare Accessibility in India

Author(s) Mr. Somdatt Jangid, Mr. Krishna Mehta, Mr. Pratyush Kelwa, Mr. Veer Singh Jatav
Country India
Abstract 1. Quick Summary
Many people in rural India can't afford expensive heart machines (which cost a lot of money, from ₹50,000 to ₹2,00,000) or travel long distances to the hospital. This delay often leads to serious heart problems or death. This project fixes that by creating a small, super affordable device (around ₹1,300–₹2,135) that checks your heart rate instantly at home or in the village. It uses simple parts to show your heart's rhythm and beats per minute (BPM) with colored lights that tell you if things are normal, slow, or critical. It's portable, lightweight, and runs on a battery for a long time.
2. Why We Built This
Heart disease is the biggest killer in India, and it affects rural areas the hardest because they don't have enough hospitals or equipment. Old ECG machines are big, heavy, need constant power, and expert staff. Our little device is like a personal heart verifier you can hold in your hand, making it easy for anyone, even basic health workers, to check a heart condition right away.
3. The Big Problem
Hospital ECG machines are huge, heavy, and extremely expensive.
Most people and small clinics in villages just can't afford them.
Waiting to get a diagnosis causes lots of preventable deaths.
Existing portable devices are often too expensive or not tough enough for rural conditions.
There's a huge gap in healthcare access between cities and villages.
4. Our Goals
Make a device that's accurate (within 2 BPM) and works for heart rates between 30 and 250 BPM.
Show heart patterns in real-time and use lights/sounds for alerts.
Keep the total cost under ₹2,500, weigh less than 500g, and last 8-10 hours on a single charge.
Make it super easy to use for anyone, anywhere.
5. How It Works
What we used:
Arduino Nano: The main mini-computer brain.
AD8232 Sensor: Reads your heart's electrical signals.
Small Screen: Shows the heart wave and BPM number.
Colored LED: A light that changes color based on your heart rate.
Buzzer: Beeps if something is wrong.
Electrodes & Wires: Sticky pads you put on your arms and leg.
Battery Pack: To make it portable.
The steps:
Step 1 (Signal Collection): Three sticky pads on your body pick up the heart signal. The sensor cleans up the signal.
Step 2 (Processing): The Arduino brain turns the signal into data, filters out noise, finds the beats (PQRST waves), and counts the BPM.
Step 3 (Output): The screen shows the live wave and BPM.
Blue Light: Normal heart rate (60-100 BPM).
Green Light: Too slow (<60 BPM).
Red Light: Too fast (>100 BPM) or critical (<50 or >120 BPM).
A buzzer alarms for critical situations.
Step 4 (Detection): The system knows if a pad falls off to prevent fake readings.
6. The Computer Code (Software)
Simple code is used in the Arduino program to make all these parts talk to each other, read the sensor, manage the screen display, and light up the LEDs correctly based on the BPM detected. The code constantly checks for your heart rate and alerts you if it's in a dangerous zone.
Keywords Prototype, MVP, Minimum Viable Product , Portable ECG Monitoring System
Field Medical / Pharmacy
Published In Volume 7, Issue 1, January-February 2026
Published On 2026-02-13
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