{"product_id":"sparkfun-indoor-air-quality-combo-sensor-scd41-sen55-qwiic","title":"SparkFun Indoor Air Quality Combo Sensor - SCD41, SEN55 (Qwiic)","description":"\u003cp\u003eThe SparkFun Indoor Air Quality Sensor - SCD41, SEN55 (Qwiic) combines two excellent indoor air quality sensors, the SCD41 and SEN55 from Sensirion™. These sensors provide a comprehensive indoor air quality sensor that measures CO2, Volatile Organic Compounds (VOCs), particulate matter (PM1.0, 2.5, 4, and 10), temperature, and relative humidity.\u003c\/p\u003e\n\u003cp\u003eThe SCD41 uses Sensirion's PASens® photoacoustic measurement system, which combines narrow-band IR light and a microphone inside the sensing package to detect concentrations from 0 to 40000 ppm with high accuracy over 400-5000 ppm ±(40 ppm+5%). The SCD41 has an integrated temperature and humidity CMOS® sensor to improve accuracy. For additional accuracy, the SCD41 also accepts ambient pressure readings!\u003c\/p\u003e\n\u003cp\u003eThe SCD41 includes an automatic self-calibration routine to adjust to its sensing environment over a seven-day calibration period. For best results, Sensirion recommends taking continuous readings for at least one hour a day of 'fresh air' to complete the calibration period. The SCD41 also has a one-shot measurement option for an optimal reduction in power consumption.\u003c\/p\u003e\n\u003cp\u003eThe SEN55 environmental sensor node uses Sensirion's proprietary algorithms to provide straightforward integration into various air quality monitoring applications. The sensor measures particulates of the following size specifications: PM1, PM2.5, PM4, and PM10 from a concentration of 0 to 1,000 µg\/m3. It also senses both VOC and NOx indexes from 1 to 500 index points. It offers a robust set of control registers to take and report measurements, check the status of the module and its components, and report them all in easily digestible serial data ove I2C.\u003c\/p\u003e\n\u003cp\u003eThe SparkFun Qwiic Indoor Air Quality Combo Sensor takes care of all the pesky power requirements of the SEN55 and SCD41 with onboard DC voltage conversion, allowing a simple, single \u003ca href=\"\/zh\/search?q=qwiic+cable\u0026amp;narrow_by=\u0026amp;sort_by=relevency\u0026amp;page=1\"\u003eQwiic connection\u003c\/a\u003e for power and communication.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/docs.sparkfun.com\/SparkFun_Indoor_Air_Quality_Sensor-SCD41-SEN55\/introduction\/\"\u003eGet Started with the Sparkfun Indoor Air Quality Combo Sensor Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Cn1trZE5GPI?si=vjaFg5PgLyhhHfZ3\u0026amp;start=36\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSparkFun Indoor Air Quality Sensor Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eI\u003csup\u003e2\u003c\/sup\u003eC Interface (Qwiic Enabled)\n\u003cul\u003e\n\u003cli\u003e2x Qwiic Connectors\u003c\/li\u003e\n\u003cli\u003e0.1\"-spaced PTH header\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eAP3012 - 500mA\/29V 1.5MHz STEP-UP DC\/DC Boost Converter\n\u003cul\u003e\n\u003cli\u003eUsed for supply voltage to SEN55\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSCD41 Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eI\u003csup\u003e2\u003c\/sup\u003eC Address:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e0x62\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply Voltage Range:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e2.4-5.5V\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cb\u003e3.3V\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eTyp.)\u003c\/li\u003e\n\u003cli\u003eLow Current Consumption:\n\u003cul\u003e\n\u003cli\u003eNormal Mode:\n\u003cul\u003e\n\u003cli\u003eMax:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e205mA@3.3V\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eTyp:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e18mA@3.3V\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Power Mode:\n\u003cul\u003e\n\u003cli\u003eTyp:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e3.5mA@3.3V\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSingle-Shot:\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003e0.5mA@3.3V\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003ePhotoacoustic Measurement System\n\u003cul\u003e\n\u003cli\u003eSensirion's PASens Technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated Temperature and Humidity Sensor\n\u003cul\u003e\n\u003cli\u003eSensirion's CMOSens Technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eCO\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eOutput Range: 0-40,000ppm\u003c\/li\u003e\n\u003cli\u003eCO\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eMeasurement Accuracy: ±(40ppm + 5% of reading)\n\u003cul\u003e\n\u003cli\u003eConditions: 400-5,000ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eHumidity Range: 0-100%RH\u003c\/li\u003e\n\u003cli\u003eHumidity Accuracy: ±9%RH (Full Range)\u003c\/li\u003e\n\u003cli\u003eTemperature Range: -10°C-60°C\u003c\/li\u003e\n\u003cli\u003eTemperature Accuracy: ±1.5 (Full Range)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSEN55 Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eI\u003csup\u003e2\u003c\/sup\u003eC Address:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e0x69\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply Voltage:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e4.5V\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eAverage Supply Current:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e63mA\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eMax. supply current:\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e110mA\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eParticulate Matter\n\u003cul\u003e\n\u003cli\u003eMass concentration precision: ±10%\u003c\/li\u003e\n\u003cli\u003eMass concentration range: 0 - 1000μg\/m³\u003c\/li\u003e\n\u003cli\u003eLifetime: \u0026gt; 10 years\u003c\/li\u003e\n\u003cli\u003eParticle size range: PM1.0, PM2.5, PM4 and PM10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eTemperature\n\u003cul\u003e\n\u003cli\u003eTyp. temperature accuracy: 0.45°C\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -10 - 50°C\u003c\/li\u003e\n\u003cli\u003eResponse time(τ63%): \u0026lt; 60s\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eHumidity\n\u003cul\u003e\n\u003cli\u003eTyp. relative humidity accuracy: 4.5 %RH\u003c\/li\u003e\n\u003cli\u003eOperating relative humidity range: 0 - 90 %RH\u003c\/li\u003e\n\u003cli\u003eResponse time(τ63%): 20s\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eVOC\n\u003cul\u003e\n\u003cli\u003eSensor output: 0-500 VOC Index\u003c\/li\u003e\n\u003cli\u003eMeasurement range: 0 - 1000ppm\u003c\/li\u003e\n\u003cli\u003eResponse time(τ63%): \u0026lt; 10s\u003c\/li\u003e\n\u003cli\u003eDevice-to-device var.: ±15% m.v.\u003c\/li\u003e\n\u003cli\u003eLimit of detection: \u0026lt; 0.05 ppm of ethanol equivalents or \u0026lt; 10 % of concentration setpoint, whichever is larger\u003c\/li\u003e\n\u003cli\u003eSwitch-on time: 1h\u003c\/li\u003e\n\u003cli\u003eOn-chip humidity compensation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/4\/1\/e\/8\/c\/SparkFun_Indoor_Air_Quality_Sensor-Schematic.pdf\"\u003eSchematic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/7\/c\/0\/8\/c\/SparkFun_Indoor_Air_Quality_Sensor_-_SCD41_SEN55.zip\"\u003eKiCad Files\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/3\/2\/a\/c\/d\/SparkFun_Indoor_Air_Quality_Sensor-Dimensions.pdf\"\u003eBoard Dimensions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eDatasheets\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/9\/7\/5\/7\/0\/Sensirion_SCD4x_Datasheet.pdf\"\u003eSCD4x\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/b\/7\/1\/d\/3\/Sensirion_Datasheet_Environmental_Node_SEN5x.pdf\"\u003eSEN5x\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.sparkfun.com\/SparkFun_Indoor_Air_Quality_Sensor-SCD41-SEN55\"\u003eHookup Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.sparkfun.com\/qwiic\"\u003eQwiic Information Page\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/Sensirion\/arduino-core\"\u003eSensirion Arduino Core Library\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/sparkfun\/SparkFun_SCD4x_Arduino_Library\"\u003eSparkFun SCD4x Arduino Library\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/Sensirion\/arduino-i2c-sen5x\"\u003eSensirion SEN5x Arduino Library\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/sparkfun\/SparkFun_Indoor_Air_Quality_Sensor-SCD41-SEN55\"\u003eGitHub Hardware Repo\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sparkfun","offers":[{"title":"Default Title","offer_id":50847229640977,"sku":"SEN-25200","price":113.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6285\/6209\/files\/sparkfun-indoor-air-quality-combo-sensor-scd41-sen55-qwiic-sparkfun-sen-25200-43229732962499.jpg?v=1735208891","url":"https:\/\/abcd3032.myshopify.com\/zh\/products\/sparkfun-indoor-air-quality-combo-sensor-scd41-sen55-qwiic","provider":"Tayyab Zak","version":"1.0","type":"link"}