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Sparkfun 原廠 Qwiic Air Quality Sensor 模組，SGP40芯片（更新SEN-18345） 

Product Showcase: SparkFun Qwiic Air Quality Sensor／SparkFun Qwiic 空氣品質感測器

影片：https://youtu.be/OHDevOBBNeg

　　The SparkFun SGP40 Air Quality Sensor provides a measurement of the quality of the air in your room or house. The SGP40 is based on Sensirion's CMOSens® technology and uses a metal oxide (MOx) sensor with a temperature controlled micro hotplate and provides a humidity-compensated volatile organic compound (VOC) based indoor air quality signal. Both the sensing element and VOC Algorithm feature an unmatched robustness against contaminating gases present in real world applications enabling a unique long term stability as well as low drift and device to device variation.

　　The SGP40 does not return specific concentrations or VOC gases. Instead, it outputs a digital value based on common VOC gases present in an indoor environment and this value can be combined with Sensirion's VOC Index Algorithm to detect the relative intensity of VOC events in relation to the average readings in a 24hr period. Think of the SGP40 as a sensitive electronic nose for detecting VOCs in a room.／SGP40 不會返回特定濃度或 VOC 氣體。相反，它會根據室內環境中存在的常見 VOC 氣體輸出一個數字值，並且該值可以與 Sensirion 的 VOC 指數演算法相結合，以檢測 VOC 事件相對於 24 小時內平均讀數的相對強度。將 SGP40 視為用於偵測房間內 VOC 的靈敏電子鼻。

　　The SGP40 communicates via I2C so naturally we broke out the pins on the sensor to Qwiic connectors so you can easily connect it to SparkFun's ever growing Qwiic Ecosystem!

　　The SparkFun Qwiic Connect System is an ecosystem of I2C sensors, actuators, shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can’t hook it up wrong.

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