Pulse Sensor Open Source Heart Rate Module for Arduino Dev
Pulse Sensor Open Source Heart Rate Module for Arduino Dev
Pulse Sensor – Open Source Heart Rate Sensor for Arduino Development
The Pulse Sensor is a compact, plug-and-play open-source hardware module designed to measure heart rate in real time. Whether you're a student, artist, athlete, game developer, or maker, this sensor lets you build interactive projects that respond to your pulse. Simply place it on a fingertip or earlobe, connect it to your Arduino board, and start reading live heart rate data within minutes.
At its core, this module combines an integrated optical amplifying circuit with a noise-eliminating circuit, delivering clean and accurate BPM readings even in demanding environments. It also supports an open-source app for real-time graphical heart rate display.
Made in Mainland China.
Key Specifications
- Power Supply: 3V – 5V
- Diameter: 16 mm
- Signal Amplification: 330×
- LED Wavelength: 609 nm
- Compatibility: Arduino and compatible microcontroller boards
- Placement: Fingertip or earlobe
- Open Source: Yes – includes open-source app support for real-time BPM graphing
Who Is It For?
- 🎓 Students & Educators — ideal for electronics and biofeedback learning projects
- 🎮 Game Developers — integrate real-time pulse data into interactive experiences
- 🎨 Artists & Creators — build immersive, pulse-reactive installations
- 🏃 Athletes & Fitness Enthusiasts — monitor BPM during training prototypes
- 📱 Mobile & IoT Developers — integrate heart rate data into connected devices
What's Included
- 1 × Pulse Sensor Module
- Interconnect cable for Arduino connection
Learn more: MedlinePlus on exercise and physical fitness
Frequently Asked Questions
Q: Is this Pulse Sensor compatible with Arduino boards?
A: Yes, this open-source pulse sensor is fully compatible with Arduino and most Arduino-compatible microcontroller development boards. Simply connect it via the included cable and use the open-source library to start reading BPM data right away.
Q: Where should I place the Pulse Sensor for the best reading?
A: For the most accurate heart rate readings, place the sensor on your fingertip or earlobe. These locations provide strong optical signal contact, ensuring reliable BPM output from the 609 nm LED and amplifying circuit inside the module.
Q: What power supply does this heart rate sensor require?
A: The pulse sensor operates on 3V to 5V, making it directly compatible with both 3.3V and 5V Arduino boards and other common microcontroller platforms without the need for a voltage converter.
Q: Can I use this sensor for a school or DIY maker project?
A: Absolutely. This is an open-source hardware module specifically popular for educational projects, DIY electronics builds, interactive art installations, game development, and IoT prototyping. The open-source app allows real-time graphical BPM display for demonstrations and experiments.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.