KY-039 Finger Detection Heartbeat Sensor Module (IR)
Prices updated: 12 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Makers ElectronicsCheapest | KY039 Finger Detection Heartbeat Measuring Sensor Module | 30 EGP | View in store |
 RAM Electronics | Heartbeat Sensor Module (SKU#KY039) | 35 EGP | View in store |
 UGE | Heartbeat Rate Sensor IR Infrared Module KY39 Sensitive KY-039 | 50 EGP | View in store |
Price history
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Lowest price recorded: 30 EGP
About this product
The KY-039 is a finger-detection heart rate sensor module that uses a bright infrared LED and a phototransistor to detect blood flow pulses through a fingertip. A red LED on the board flashes with each pulse, and the module outputs an analog signal that can be read by Arduino or other microcontrollers. It suits learning and hobby projects that add pulse sensing.
Specifications
- Sensing method
- Infrared LED and phototransistor (finger pulse)
- Output
- Analog signal
- Operating voltage
- 5 V (typical)
- Pulse indicator
- Red LED flashes with each pulse
- Connection pins
- VCC, GND, Signal (S)
Frequently asked questions
What is the price of KY-039 Finger Detection Heartbeat Sensor Module (IR) in Egypt?
KY-039 Finger Detection Heartbeat Sensor Module (IR) currently costs between 30 and 50 EGP across 3 offers in Egypt.
Where can I buy KY-039 Finger Detection Heartbeat Sensor Module (IR) in Egypt?
KY-039 Finger Detection Heartbeat Sensor Module (IR) is available from Makers Electronics, RAM Electronics, and UGE. Compare the offers above to find the best price.
How do I wire the KY-039 to an Arduino?
Connect VCC to 5 V, GND to GND, and the signal pin to an analog input such as A0. Then read the analog value in your sketch and detect the peaks to measure the pulse rate.
Is this module suitable for medical measurements?
No. It is intended for hobby and educational projects only. Readings are sensitive to finger pressure, movement and ambient light, so it is not a medical device and should not be used for diagnosis.
