# Pulse sensor, heart rate

> Optical sensor for measuring pulse and heart rate, compatible with Arduino and other development boards. Uses a light emitter, a receiver and an integrated amplifier to detect blood flow variations. Analog output, 3.3-5VDC power supply, compact PCB with 16mm diameter. Requires direct skin contact and shielding from ambient light for proper operation.

- Page: https://sigmanortec.ro/en/pulse-sensor-heart-rate
- Price: 15.00 RON
- Availability: In stock; 1-2 zile
- Reference: 22168 · EAN: 5949249480295
- Category: Mechatronics and IoT > Sensors and Modules > Biomedical Sensors
- Package (shipping data): 0.004 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:25 (Europe/Bucharest)

## Description

Optical sensor for measuring pulse and heart rate, ideal for Arduino projects and other development boards. It uses an integrated light emitter, receiver and amplifier to detect blood flow variations, offers easy-to-read analog output, operates at 3.3-5V and has a compact 16 mm PCB for quick integration into prototypes.
Pulse sensor, heartbeat, compatible with Arduino and other development boards.
This sensor uses a light emitter with a receiver and an amplifier to detect the variations given by the presence of the pulse and detect the heart rate.
To be able to work, it is imperative that the sensor is in direct contact with the skin and the ambient light is eliminated. This can be achieved by covering the sensor and the part of the body where the pulse is read.
Specifications
Supply voltage: 3.3 - 5VDC
Output Type: Analogue
Amplifier: Yes
Diameter mm PCB: 16mm