KY-039 Finger Heartbeat Detection Sensor

KY-039 Finger Heartbeat Detection Sensor is a highly sensitive, reliable, and easy-to-use sensor module designed for real-time heart rate monitoring. Ideal for DIY electronics projects, health monitoring devices, and educational applications, this sensor enables users to detect pulse signals through a simple finger placement, making it a convenient and non-invasive solution for heart rate measurement.

Built with precision and compatibility in mind, the KY-039 module integrates seamlessly with popular microcontrollers, including Arduino, Raspberry Pi, ESP32, and STM32, making it perfect for hobbyists, engineers, and students seeking accurate physiological data for their projects. Its compact design and lightweight construction allow for easy integration into wearable devices, health monitoring kits, and medical prototypes.

Key Features of KY-039 Finger Heartbeat Detection Sensor

• High Sensitivity & Accuracy
  The KY-039 sensor delivers precise detection of pulse signals, ensuring reliable heart rate measurement for health monitoring or data collection.

• Compact & Lightweight Design
  Small form factor makes it easy to integrate into wearables, DIY projects, and embedded systems without occupying significant space.

• User-Friendly Interface
  Simple finger placement on the sensor is sufficient for pulse detection, making it ideal for beginners and educational projects.

• Digital Output for Easy Integration
  Equipped with digital output pins, the module interfaces directly with microcontrollers for real-time monitoring and signal processing.

• Low Power Consumption
  Optimized for minimal power usage, enabling long-term monitoring in portable or battery-operated devices.

• Durable & Reliable
  Built with high-quality materials and sensors to ensure consistent performance over extended use.

• Versatile Compatibility
  Works with widely used development boards such as Arduino UNO, Nano, Mega, Raspberry Pi, and ESP32, supporting multiple electronics platforms.

• Quick Response Time
  Provides near-instantaneous pulse detection for real-time monitoring and data logging applications.

Technical Specifications – KY-039 Finger Heartbeat Detection Sensor

• Sensor Type: Optical Finger Pulse Sensor

• Output Type: Digital (High/Low) signal

• Operating Voltage: 3.3 V – 5 V DC

• Current Consumption: ≤ 20 mA

• Detection Range: Finger placement (contact-based)

• Operating Temperature: –20°C to +50°C

• Interface: 3-pin (VCC, GND, DO)

• Dimensions: Approx. 25 × 15 × 10 mm

• Weight: Lightweight (approx. 5 grams)

• Compatibility: Arduino, Raspberry Pi, ESP32, STM32, and other microcontrollers

Note: Specifications may vary slightly depending on manufacturing batches.

Applications of KY-039 Finger Heartbeat Detection Sensor

The KY-039 sensor is widely used in various fields due to its accuracy, versatility, and ease of integration:

• Health Monitoring Devices
  Ideal for DIY heart rate monitors, wearable fitness trackers, and pulse-checking devices.

• Medical Prototyping
  Useful in experimental projects for early-stage medical devices and physiological monitoring systems.

• Educational Electronics Projects
  Perfect for learning embedded systems, biomedical electronics, and Arduino-based health projects.

• IoT & Smart Wearables
  Integrates seamlessly into IoT-enabled health monitoring solutions, smart wristbands, and portable medical gadgets.

• Robotics & Automation
  Can be used in humanoid robots or biofeedback systems to simulate heart rate sensing for interactive projects.

• Fitness & Sports Applications
  Monitors pulse in real-time for exercise tracking, wellness monitoring, and personal fitness gadgets.

Why Choose the KY-039 Finger Heartbeat Detection Sensor?

The KY-039 Finger Heartbeat Detection Sensor combines precision, reliability, and ease of use in a compact, low-power module. Its high sensitivity ensures accurate pulse detection while maintaining compatibility with popular development boards. Whether you are building a DIY heart rate monitor, smart wearable, or educational electronics project, this sensor provides a cost-effective and efficient solution for real-time physiological data measurement.

Upgrade your health monitoring projects with the KY-039 Finger Heartbeat Detection Sensor – the trusted choice for hobbyists, engineers, educators, and innovators seeking reliable and accurate heart rate sensing technology.

Package Includes:

1 x KY-039 Finger Heartbeat Detection Sensor

FAQ

1. Where can we buy this KY-039 Finger Heartbeat Detection Sensor?

This product is available online https://aiiottech.in/product/ky-039-finger-heartbeat-detection-sensor/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this KY-039 Finger Heartbeat Detection Sensor after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: KY-039 Finger Pulse Heartbeat Detection Sensor