Heart Rate Sensors Price in BD (Bangladesh) 2026

Heart Rate Sensors for Science & DIY Electronics Projects in Bangladesh

Monitoring human biometrics like pulse rate and blood oxygen levels is one of the most exciting areas in modern technology. If you are a student, hobbyist, or robotics researcher in Bangladesh working on a school science fair, university thesis, or a custom healthcare prototype, having a reliable biometric module is essential. At Biggan Project (বিজ্ঞান প্রজেক্ট), we offer a comprehensive collection of genuine, affordable, and high-precision heart rate sensors and pulse monitoring modules designed to seamlessly integrate with microcontrollers like Arduino, ESP32, Raspberry Pi, and STM32.

Popular Heart Rate & Biometric Sensor Modules We Offer

Finding the right sensor depends on the complexity of your circuit design and measurement needs. Our selection at Biggan Project includes the most widely used optical and ECG modules across Bangladeshi STEM labs:

• Optical Pulse Sensor (PulseSensor Amped): A simple plug-and-play optical sensor that clips onto a finger or earlobe. It amplifies photoplethysmogram (PPG) signals and filters noise, making it ideal for beginner Arduino heart rate monitors and science fair projects.
• MAX30100 & MAX30102 Pulse Oximeter & Heart Rate Modules: Advanced I2C-based integrated sensors that measure both heart rate (BPM) and blood oxygen saturation (SpO2). Perfect for IoT healthcare stations and ESP32-based wireless health monitors.
• AD8232 ECG Measurement Module: A single-lead heart rate monitor front-end IC designed to extract, amplify, and filter small bio-potential signals in the presence of noisy conditions. Best suited for university thesis work, medical instrumentation studies, and electrocardiogram (ECG) graphing.

Why Students Choose Heart Rate Sensors for DIY Projects

Biometric sensors bridge the gap between human physiology and digital electronics. Building a real-time pulse monitoring system helps students master several key engineering concepts:

• Biomedical Signal Processing: Learn how light reflections (photoplethysmography) and electrical activity of the heart translate into readable digital signals.
• Microcontroller Programming: Practice ADC conversion, analog signal filtering, and I2C communication protocols on Arduino, ESP8266, or NodeMCU.
• IoT Healthcare Integration: Connect sensor data to cloud platforms like Blynk, Firebase, or ThingSpeak to send live pulse data to a doctor or smartphone app.

How to Select the Right Sensor for Your Project

Selecting the best module depends on your project goals and budget:

For quick school science fair demonstrations or simple pulse rate indicators, an optical pulse sensor is the most user-friendly choice. If your project requires measuring blood oxygen (SpO2) or sending data over Wi-Fi, the MAX30102 module is recommended. For advanced electrical signal analysis or drawing accurate ECG waves, the AD8232 ECG board provides the required bio-potential amplification.

Frequently Asked Questions (FAQ)

What is a heart rate sensor and how does it work?

A heart rate sensor is an electronic module that measures human heartbeats per minute (BPM). Most basic modules use photoplethysmography (PPG), projecting an LED light through the skin and measuring light absorption changes as blood pumps through capillaries.

Can I connect a heart rate sensor directly to an Arduino or ESP32?

Yes. Modules like the PulseSensor connect to an analog pin (A0) on Arduino, while digital modules like the MAX30102 connect via I2C interface pins (SDA and SCL). At Biggan Project (বিজ্ঞান প্রজেক্ট), all our sensors come with ready-to-use pinouts for easy breadboard jumper connection.

Where can I buy authentic heart rate sensors in Bangladesh?

You can purchase tested and reliable heart rate sensors, pulse modules, and DIY electronics components online at Biggan Project (বিজ্ঞান প্রজেক্ট) with fast delivery across Bangladesh.

Are these sensors suitable for clinical medical diagnosis?

No, these sensor modules are designed specifically for educational research, university projects, science fair demonstrations, and DIY prototyping. They should not be used for medical diagnostic purposes.

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