{"product_id":"dfrobot-gravity-max30102-ppg-heart-rate-and-oximeter-sensor-i2c-uart","title":"DFROBOT Gravity: MAX30102 PPG Heart Rate and Oximeter Sensor (I2C\/UART)","description":"\u003cdiv id=\"Introduction\" class=\"content Introduction\"\u003e\n\u003ch4\u003eIntroduction\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cp\u003eDFRobot Gravity: MAX30102 heart rate and blood oxygen sensor module integrates the Maxim MAX30102 chip and an MCU with heart rate and blood oxygen algorithm.\u003c\/p\u003e\n\u003cp\u003eThe MAX30102 uses PPG(PhotoPlethysmoGraphy) to measure data, which will be converted into heart rate and oximetry values when processed by the MCU, then output through I2C or UART, making the sensor easy to use and greatly reducing resource occupation of the main controller. Meanwhile, the corresponding upper computer is provided to allow you to conveniently read data by a PC.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\nThe pressure may change when the finger is directly pressed down the sensor, which will affect the data output. So please try to fix the sensor on your finger.Wear the sensor on your finger and there is no difference in the direction of wearing.This product is not a professional medical instrument and should not be used as an auxiliary accessory in diagnosis and treatment\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0518\/1_0x0.png.webp\" alt=\"Gravity: MAX30102 Heart Rate and Oximeter Sensor\" title=\"Gravity: MAX30102 Heart Rate and Oximeter Sensor\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWear Instructions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0518\/Connection-Diagram-w-Arduino_0x0.png.webp\" alt=\"Gravity: MAX30102 Heart Rate and Oximeter Sensor\" title=\"Gravity: MAX30102 Heart Rate and Oximeter Sensor\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eConnect with DFRduino UNO R3\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0518\/Connection-Diagram-w-Raspberry_0x0.png.webp\" alt=\"Gravity: MAX30102 Heart Rate and Oximeter Sensor\" title=\"Gravity: MAX30102 Heart Rate and Oximeter Sensor\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eConnect with Raspberry Pi\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Features\" class=\"content Features\"\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cdiv\u003eMicrocontroller with algorithm integratedData can be read directly through the host computer\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Applications\" class=\"content Applications\"\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cdiv\u003eHeart rate blood oxygen projectHome heart rate oximeterLong-term heart rate and blood oxygen monitoring project\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Specification\" class=\"content Specification\"\u003e\n\u003ch4\u003eSpecification\u003c\/h4\u003e\n\u003cdiv\u003ePower Supply Voltage: 3.3V\/5VWorking Current: \u0026lt;15mACommunication Method: I2C\/UARTI2C Address: 0x57Serial Port Baud Rate: 9600Operating Temperature Range: -40℃~85℃Product Size: 25.5×32mm\/0.98×1.26inch\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Documents\" class=\"content Documents\"\u003e\n\u003ch4\u003eDocuments\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003ca href=\"https:\/\/wiki.dfrobot.com\/SKU_SEN0518_Gravity_MAX30102_Heart_Rate_and_Oximeter_Sensor\" target=\"_blank\"\u003eProduct wiki\u003c\/a\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/nobody\/wiki\/d855e592d0fa258cb345ba00ef8ed1c3.pdf\" target=\"_blank\"\u003eSchematics\u003c\/a\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/nobody\/wiki\/bb9c1438d3652f1500cf8b01f058db3c.pdf\" target=\"_blank\"\u003eDimension\u003c\/a\u003e\u003ca href=\"https:\/\/dfimg.dfrobot.com\/nobody\/wiki\/6c483e7b05a098774e4dfd4e05c6e6f8.pdf\" target=\"_blank\"\u003eMAX30102 Datasheet\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Shipping-List\" class=\"content ShippingList\"\u003e\n\u003ch4\u003eShipping List\u003c\/h4\u003e\n\u003cdiv\u003eGravity: MAX30102 Heart Rate and Oximeter Sensor x1Gravity-4P I2C\/UART Sensor Connector x1Strap x1\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Blue PCB Electronics","offers":[{"title":"Default Title","offer_id":42215553368167,"sku":null,"price":150.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2285\/0583\/files\/25.02.2026_14.38.44_REC.png?v=1772016142","url":"https:\/\/www.blue-pcb.com\/products\/dfrobot-gravity-max30102-ppg-heart-rate-and-oximeter-sensor-i2c-uart","provider":"Blue PCB Electronics","version":"1.0","type":"link"}