脈搏血氧飽和度及心率感測器-MAX30101&MAX32664 (Qwiic) SparkFun原廠

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脈搏血氧飽和度及心率感測器-MAX30101&MAX32664 (Qwiic) SparkFun原廠

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脈搏血氧飽和度及心率感測器-MAX30101&MAX32664 (Qwiic)

SparkFun脈搏血氧飽和度和心率傳感器是基於I 2 C的生物特徵傳感器,利用Maxim Integrated的兩款芯片:MAX32664生物特徵傳感器集線器和MAX30101脈搏血氧飽和度和心率模塊。後者可以完成所有感測,而前者是一種非常小巧且快速的Cortex M4處理器,可以處理所有算法計算,數字濾波,壓力/位置補償,高級R波檢測和自動增益控制。我們提供了一個Qwiic連接器,可以輕鬆連接到I 2 C數據線,但是您還需要連接到另外兩條線。該板非常小,尺寸為1英寸x 0.5英寸(25.4毫米x 12.7毫米),這意味著它可以很好地貼在您的手指上。

MAX30101利用其內部LED從手指皮下層的動脈和小動脈反射光,並檢測其光電探測器吸收了多少光,從而完成所有檢測。這就是所謂的光電容積描記術。該數據被傳遞到MAX32664並由其分析,MAX32664應用其算法確定心率和血氧飽和度(SpO2)。SpO2結果報告為被氧飽和的血紅蛋白百分比。它還提供有用的信息,例如傳感器對其報告的信心以及方便的手指檢測數據點。為了充分利用傳感器,我們編寫了一個Arduino庫,以輕鬆調整所有可能的配置。

SparkFun脈搏血氧儀和心率傳感器-MAX30101&MAX32664(Qwiic)

特徵

英國威廉希爾SparkFun脈搏血氧儀和心率傳感器

  • MAX30101和MAX32664傳感器和傳感器集線器
  • 用於電源和I 2 C接口的Qwiic連接器
  • 2 C地址:0x55

MAX30101-脈搏血氧儀和心率傳感器

  • LED反射解決方案中的心率監測器和脈搏血氧儀傳感器
  • 集成式玻璃蓋罩可實現最佳,穩定的性能
  • 移動設備的超低功耗運行
  • 快速的數據輸出能力
  • 強大的運動偽影彈性

MAX32664-超低功耗生物識別傳感器集線器

  • 生物識別傳感器中樞解決方案
  • 基於手指的算法可測量脈搏心率和脈搏血氧飽和度(SpO2)
  • 原始數據和處理後的數據均可用
  • 基本外圍設備組合可優化尺寸和性能

 

Documents

 

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The SparkFun Pulse Oximeter and Heart Rate Sensor is an I2C based biometric sensor, utilizing two chips from Maxim Integrated: the MAX32664 Biometric Sensor Hub and the MAX30101 Pulse Oximetry and Heart Rate Module. While the latter does all the sensing, the former is an incredibly small and fast Cortex M4 processor that handles all of the algorithmic calculations, digital filtering, pressure/position compensation, advanced R-wave detection, and automatic gain control. We’ve provided a Qwiic connector to easily connect to the I2C data lines but you will also need to connect to two additional lines. This board is very small, measuring at 1in x 0.5in (25.4mm x 12.7mm), which means it will fit nicely on your finger without all the bulk.

The MAX30101 does all the sensing by utilizing its internal LEDs to bounce light off the arteries and arterioles in your finger’s subcutaneous layer and sensing how much light is absorbed with its photodetectors. This is known as photoplethysmography. This data is passed onto and analyzed by the MAX32664 which applies its algorithms to determine heart rate and blood oxygen saturation (SpO2). SpO2 results are reported as the percentage of hemoglobin that is saturated with oxygen. It also provides useful information such as the sensor’s confidence in its reporting as well as a handy finger detection data point. To get the most out of the sensor we’ve written an Arduino Library to make it easy to adjust all the possible configurations.

Features

SparkFun Pulse Oximeter and Heart Rate Sensor

  • MAX30101 and MAX32664 sensor and sensor hub
  • Qwiic connectors for power and I2C interface
  • I2C Address: 0x55

MAX30101 – Pulse Oximeter and Heart-Rate Sensor

  • Heart-Rate Monitor and Pulse Oximeter Sensor in LED Reflective Solution
  • Integrated Cover Glass for Optimal, Robust Performance
  • Ultra-Low Power Operation for Mobile Devices
  • Fast Data Output Capability
  • Robust Motion Artifact Resilience

MAX32664 – Ultra-Low Power Biometric Sensor Hub

  • Biometric Sensor Hub Solution
  • Finger-Based Algorithms Measure Pulse Heart Rate and Pulse Blood Oxygenation Saturation (SpO2)
  • Both Raw and processed data are available
  • Basic Peripheral mix optimizes size and performance

Documents

 

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