{"product_id":"pulse-sensor-open-source-heart-rate-arduino-development","title":"Pulse Sensor Open Source Heart Rate Module for Arduino Dev","description":"\u003ch2\u003ePulse Sensor – Open Source Heart Rate Sensor for Arduino Development\u003c\/h2\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003cp\u003eAt 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 3V – 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 16 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Amplification:\u003c\/strong\u003e 330×\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Wavelength:\u003c\/strong\u003e 609 nm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Arduino and compatible microcontroller boards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Fingertip or earlobe\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpen Source:\u003c\/strong\u003e Yes – includes open-source app support for real-time BPM graphing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is It For?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🎓 \u003cstrong\u003eStudents \u0026amp; Educators\u003c\/strong\u003e — ideal for electronics and biofeedback learning projects\u003c\/li\u003e\n  \u003cli\u003e🎮 \u003cstrong\u003eGame Developers\u003c\/strong\u003e — integrate real-time pulse data into interactive experiences\u003c\/li\u003e\n  \u003cli\u003e🎨 \u003cstrong\u003eArtists \u0026amp; Creators\u003c\/strong\u003e — build immersive, pulse-reactive installations\u003c\/li\u003e\n  \u003cli\u003e🏃 \u003cstrong\u003eAthletes \u0026amp; Fitness Enthusiasts\u003c\/strong\u003e — monitor BPM during training prototypes\u003c\/li\u003e\n  \u003cli\u003e📱 \u003cstrong\u003eMobile \u0026amp; IoT Developers\u003c\/strong\u003e — integrate heart rate data into connected devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Pulse Sensor Module\u003c\/li\u003e\n  \u003cli\u003eInterconnect cable for Arduino connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/medlineplus.gov\/exerciseandphysicalfitness.html\" target=\"_blank\" rel=\"noopener\"\u003eMedlinePlus on exercise and physical fitness\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this Pulse Sensor compatible with Arduino boards?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Where should I place the Pulse Sensor for the best reading?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply does this heart rate sensor require?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this sensor for a school or DIY maker project?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo 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.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this Pulse Sensor compatible with Arduino boards?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"Where should I place the Pulse Sensor for the best reading?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For the most accurate heart rate readings, place the sensor on your fingertip or earlobe. 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