Finger Detection Heartbeat Sensor Module KY-039

The KY-039 Finger Detection Heart Rate Sensor Module is an advanced yet compact solution for biometric sensing. Designed to accurately detect heart rate, this module uses an infrared (IR) LED and a phototransistor. Its bright IR LED and sensitive phototransistor can easily detect the pulsation in fingers. Due to its small and compact design, it is simple to use and integrate into various applications, ex: a heart rate monitor, hr sensor, pulse rate sensor, heart rate sensor watch etc.. 

Key Features - Heart Rate Sensor

• IR LED and Optical Transistor
• Small and Compact Module
• Simple Usage
• Resistor Customization
• Noise Reduction
• Code Availability

Applications

The KY-039 heart rate finger sensor module is perfect for projects requiring accurate heartbeat monitoring, such as health devices and fitness trackers. This module's sensitivity allows it to be used in various environments, making it an ideal choice for crafting heart rate monitors that are precise and efficient.

Technical Specifications

How to Use

Connect the sensor to your system using the provided example code. Ensure the phototransistor accurately detects heartbeat by selecting the proper resistance, which can be adjusted through experimentation. Keep stray light from interfering, especially under artificial lighting to maintain the integrity of the heart rate readings.

Package Includes

• 1 x KY-039 Finger Detection Heartbeat Measuring Sensor Module

Additional Link

• Sensors Modules Collection,
• Biometric/ECG/EMG Sensor Collection,
• Learn more about Phototransistors

Videos Tutorial