Finger Pulse Rate Sensor - Heart Rate Sensor Module
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Prices updated: 12 Oct 2026
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About this product
Finger-based pulse rate sensor that detects the heartbeat from changes in blood flow at the fingertip. It is a simple way to add heart rate measurement to Arduino or ESP32 projects for learning and prototyping.
Specifications
- Measurement
- Heart rate (pulse)
- Placement
- Fingertip
Frequently asked questions
How do I get a stable heart rate reading?
Place the fingertip gently on the sensor, keep the finger still and avoid pressing too hard. Movement and strong ambient light are the most common causes of noisy readings.
How do I connect the pulse sensor to an Arduino?
Connect the power and ground pins, then read the signal pin on an analog input. Check the module's voltage rating and pinout before wiring.
