Pulse Sensor – Heart Rate Detector

The Pulse Sensor – Heart Rate Detector is a compact, high-precision biometric sensor module designed to measure heart rate by detecting changes in blood flow using photoplethysmography (PPG) technology. By placing a fingertip or earlobe on the sensor, it detects tiny variations in blood volume caused by each heartbeat and converts them into electrical signals that can be processed by a microcontroller for real-time heart rate monitoring.

Built with a high-sensitivity optical sensor, integrated amplification circuitry, and noise reduction components, the Pulse Sensor delivers stable and accurate pulse readings, making it suitable for a wide range of electronics, healthcare, fitness, and educational applications. Its low power consumption makes it ideal for battery-powered devices, while its compact and lightweight design allows easy integration into portable and wearable systems.

The sensor features a simple three-pin interface consisting of VCC, GND, and Signal, enabling quick and easy connection to popular development platforms such as Arduino, ESP32, Raspberry Pi, NodeMCU, STM32, and other microcontroller boards. It is compatible with analog input pins, allowing users to easily develop heart rate monitoring systems using readily available software libraries and example programs.

The Pulse Sensor – Heart Rate Detector is widely used in wearable fitness devices, heart rate monitors, health monitoring systems, biomedical research, IoT healthcare projects, smart medical devices, robotics, STEM education, and DIY electronics. It is an excellent tool for learning about human physiology, biosignal processing, and embedded system design.

Suitable for students, hobbyists, researchers, engineers, and healthcare technology developers, this sensor offers a simple and reliable way to incorporate heart rate monitoring into electronic projects and prototypes.

Key Features

• High-sensitivity optical pulse sensor

• Photoplethysmography (PPG) technology

• Accurate real-time heart rate detection

• Low power consumption

• Compact and lightweight design

• Simple three-pin interface (VCC, GND, Signal)

• Easy integration with microcontrollers

• Stable analog output signal

• Plug-and-play operation

• Suitable for wearable applications

Applications

• Heart rate monitoring systems

• Fitness trackers

• Wearable electronics

• Arduino projects

• ESP32 development

• Raspberry Pi projects

• NodeMCU applications

• STM32 development

• IoT healthcare devices

• Biomedical research

• Health monitoring prototypes

• Educational laboratories

• STEM learning

• Robotics projects

• DIY electronics

Benefits

• Easy to use and integrate

• Provides accurate pulse detection

• Supports real-time monitoring

• Low power for portable devices

• Compact size for wearable designs

• Ideal for educational and research projects

• Reliable and stable performance

• Compatible with popular development platforms

Technical Specifications

• Product Type: Heart Rate Sensor Module

• Sensing Technology: Photoplethysmography (PPG)

• Output Type: Analog Signal

• Operating Voltage: 3.3V–5V DC

• Interface: VCC, GND, Signal

• Mounting: Through-hole Connector

• Compatible Platforms: Arduino, ESP32, Raspberry Pi, NodeMCU, STM32

Package Includes

• 1 × Pulse Sensor – Heart Rate Detector