Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Interface Type	3-Pin Header
Operating Voltage	3.3V - 5V DC
Signal Output	Digital Pulse
Wavelength	600nm (Green LED)
Mounting Style	Plug-and-Play (No Soldering)
Compatible Boards	Arduino, Raspberry Pi, ESP32
Current Consumption	< 10mA
Cable Length	20cm
Sensor Principle	Photoplethysmography (PPG)
Package Weight	5g

6 reviews

Anonymous

Mar 30, 2026

Rating: 4/5

Solid performance

Works well with 3.3V logic levels on my ESP32. The green LED is bright enough to penetrate the skin effectively. Just ensure your code handles noise filtering.

Anonymous

Mar 17, 2026

Rating: 4/5

Good value, needs stable contact

Great little module for the price. You do need to press firmly against the skin for a consistent reading, but once positioned correctly, the pulse detection is accurate.

Anonymous

Mar 15, 2026

Rating: 5/5

Reliable PPG sensor

I've tested this alongside more expensive medical-grade trainers for hobby comparison, and the beat-to-beat interval tracking is surprisingly consistent for a consumer component.

Anonymous

Mar 13, 2026

Rating: 5/5

Exceeded expectations

Fast shipping and the product works exactly as described. The pin header fits snugly into standard breadboards without any wobble. Highly recommended for wearables prototypes.

Anonymous

Mar 07, 2026

Rating: 5/5

Beginner friendly

As someone new to electronics, the fact that I didn't need a soldering iron was a huge plus. The included library examples made coding very straightforward.

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect for Arduino projects

This sensor worked immediately with my Arduino Uno. The no-soldering header made setup incredibly fast. I was reading heart rate data within minutes of unboxing.

5 FAQ

Q: Is the cable detachable?

A: The cable is permanently attached to the sensor module to ensure signal integrity, but it connects to your board via the standard 3-pin header.

Q: Does this come with example code for Arduino IDE?

A: Yes, you can find compatible open-source libraries like 'PulseSensor' in the Arduino Library Manager that work perfectly with this module.

Q: Can this measure blood oxygen levels (SpO2)?

A: No, this specific model uses a single wavelength green LED designed for heart rate and pulse detection only. It does not measure SpO2.

Q: Will this work with 5V Raspberry Pi GPIO?

A: Yes, the module operates between 3.3V and 5V. However, ensure you connect the signal pin to a 3.3V tolerant GPIO pin on the Pi to be safe.

Q: What is the maximum sampling rate?

A: The sensor is optimized for human heart rates, typically sampling around 500Hz to 1kHz depending on your microcontroller's ADC settings.

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