{"product_id":"gravity-stcc4-true-carbon-dioxide-co2-sensor-3-in-1-air-quality-monitoring-400-5000ppm","title":"Gravity: STCC4 True Carbon Dioxide (CO2) Sensor (3-in-1 Air Quality Monitoring, 400 ~ 5000ppm)","description":"\u003cdiv id=\"Introduction\" class=\"content Introduction\"\u003e\n\u003ch4\u003eIntroduction\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe Gravity: STCC4 Carbon Dioxide (CO2) Sensor is a highly cost-effective, multi-functional air quality monitoring module designed for rapid hardware integration and scalable deployments. Utilizing the\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eSensirion STCC4\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003ehigh-performance gas sensing chip based on the\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eThermal Conductivity (TC) measurement principle,\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003ethis sensor delivers stable and reliable CO2 concentration readings. Its standout feature is the combination of\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eextreme affordability with 3-in-1 measurement capabilities\u003c\/b\u003e, integrating an onboard SHT40 sensor to\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eprovide simultaneous CO2 (with a measurement range of 400 to 5,000 ppm\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eand an\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eaccuracy of ±[100 ppm + 10%]), ambient temperature, and humidity data.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eOperating on a wide 3.3V to 5V voltage range and communicating via a\u003cspan\u003e \u003c\/span\u003e\u003cb\u003estandard I2C interface\u003c\/b\u003e, it eliminates complex wiring and soldering. This makes the module highly suitable for deploying multi-node indoor air quality monitoring networks, building automation systems, smart home setups, and educational STEM projects where budget constraints, compact size, and ease of use are primary considerations.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0678\/features_0x0.jpg.webp\" alt=\"features of Gravity: STCC4 True Carbon Dioxide (CO2) Sensor\" title=\"features of Gravity: STCC4 True Carbon Dioxide (CO2) Sensor\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTrue CO2 Measurement\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe Gravity STCC4 CO2 sensor powered by Sensirion’s advanced Thermal Conductivity (TC) technology, it directly measures the physical thermal properties of the surrounding air to calculate absolute CO2 concentration (400–5000 ppm). Supported by a built-in Automatic Self-Calibration (ASC) algorithm, it ensures long-term stability and pin-point accuracy. Say goodbye to inaccurate estimations and build your HVAC automations, air quality alarms, and smart home systems on data you can actually trust.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0678\/Gravity%20STCC4%20vs%20Traditional%20eCO2%20Sensors%20Comparison_0x0.jpg.webp\" alt=\"Gravity STCC4 vs Traditional eCO2 Sensors Comparison\" title=\"Gravity STCC4 vs Traditional eCO2 Sensors Comparison\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUnmatched Cost-Effectiveness for Scalable IoT Networks\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBy leveraging Thermal Conductivity technology, the manufacturing and operational costs are significantly reduced compared to traditional NDIR or PAS sensors. This high accessibility allows developers, engineers, and educators to build multi-room air quality networks or large-scale distributed IoT deployments without exceeding hardware budgets. It provides a highly viable alternative when deploying dozens of high-cost professional sensors is financially impractical.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0678\/sensor_0x0.png.webp\" alt=\"Cross-sectional schematic diagram illustrating the internal Thermal Conductivity sensing mechanism of the STCC4 chip, featuring a micro-heater, temperature sensor, protective membrane, and ASIC.\" title=\"Internal structural diagram illustrating the Thermal Conductivity (TC) measurement principle utilized by the STCC4 chip.\"\u003e\u003c\/p\u003e\n\u003cp\u003eFigure: Internal structural diagram illustrating the Thermal Conductivity (TC) measurement principle utilized by the STCC4 chip.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3-in-1 Sensing with Automatic Compensation\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe inclusion of the\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eonboard SHT40 sensor\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003etransforms the module from a single-purpose gas detector into a comprehensive environmental node. It continuously monitors ambient temperature and humidity, actively utilizing this data to automatically compensate the CO₂ readings. This ensures reliable accuracy in fluctuating indoor climates, outputs three critical environmental metrics from a single device, and simplifies the overall system architecture.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0678\/REALTIME_0x0.jpg.webp\" alt=\"Arduino serial monitor interface displaying real-time data output from the STCC4 module, including CO2 concentration in ppm, ambient temperature in Celsius, and humidity percentage.\" title=\"Real-time serial monitor data demonstrating simultaneous CO2, temperature, and humidity readings output directly from the sensor.\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSeamless Integration and Plug-and-Play Design\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eHardware development is streamlined through the\u003cspan\u003e \u003c\/span\u003e\u003cb\u003estandard Gravity I2C interface\u003c\/b\u003e. The wide\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e3.3V to 5V\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eoperating voltage ensures native compatibility with popular microcontrollers such as\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-277.html\" target=\"_blank\"\u003eArduino\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-316.html\" target=\"_blank\"\u003eESP32\u003c\/a\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/topic-272.html\" target=\"_blank\"\u003eRaspberry Pi\u003c\/a\u003e. The plug-and-play nature eliminates the need for breadboards, soldering, or complex level-shifting circuitry, significantly reducing development time and accelerating the transition from prototype to final product.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0678\/2_0x0.png.webp\" alt=\"Hardware connection diagram showing the Gravity STCC4 CO2 sensor seamlessly connected to an Arduino microcontroller using a standard 4-pin I2C Gravity cable.\" title=\"Plug-and-play hardware integration of the Gravity STCC4 CO2 Sensor with an Arduino microcontroller via a standard I2C interface.\"\u003e\u003c\/p\u003e\n\u003cp\u003eFigure: Plug-and-play hardware integration of the Gravity STCC4 CO2 Sensor with an Arduino microcontroller via a standard I2C interface.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLow Power Consumption for Continuous Monitoring\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for modern, energy-conscious applications, the module supports a highly efficient power profile. With a continuous measurement current of just 950 μA and a deep sleep mode drawing merely 1 μA, it is optimized for battery-powered smart home nodes and remote environmental monitoring stations requiring long-term, uninterrupted operation.\u003c\/p\u003e\n\u003cp\u003eFigure: Real-time serial monitor data demonstrating simultaneous CO2, temperature, and humidity readings output directly from the sensor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Selection-Guide\" class=\"content SelectionGuide\"\u003e\n\u003ch4\u003eSelection Guide\u003c\/h4\u003e\n\u003cdiv class=\"product-table md\"\u003e\n\u003cp class=\"product-table-title\"\u003eCO2 Sensor Selection Guide\u003c\/p\u003e\n\u003cdiv class=\"product-table-content-container\"\u003e\n\u003cdiv class=\"product-table-row odd\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eProduct Name\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/product-3098.html\" target=\"_blank\"\u003eGravity: STCC4 Carbon Dioxide (CO2) Sensor (3-in-1 Air Quality Monitoring, 400 ~ 5000ppm)\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/product-1023.html\" target=\"_blank\"\u003eGravity: Analog Electrochemical Carbon Dioxide \/ CO2 Sensor (0-10000 ppm)\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/product-1565.html\" target=\"_blank\"\u003eGravity: UART Infrared Carbon Dioxide \/ CO2 Sensor (0-50000 ppm)\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/product-1549.html\" target=\"_blank\"\u003eGravity: PWM Infrared Carbon Dioxide \/ CO2 Sensor (400-5000 ppm)\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003ca href=\"https:\/\/www.dfrobot.com\/product-2646.html\" target=\"_blank\"\u003eGravity: I2C SCD41 Infrared Carbon Dioxide \/ CO2 Sensor (400 - 5000 ppm)\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eFigure\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0678\/SEN0678_Main_01_226x150.jpg.webp\" alt=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/SEN0159\/SEN0159_Main_01_226x150.jpg.webp\" alt=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/SEN0220\/SEN0220_Main_01_226x150.jpg.webp\" alt=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0219\/SEN0219_Main_01_226x150.jpg.webp\" alt=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/SEN0536\/SEN0536_Main_01_226x150.jpg.webp\" alt=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row odd\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eSKU\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"sku\"\u003eSEN0678\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"sku\"\u003eSEN0159\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"sku\"\u003eSEN0220\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"sku\"\u003eSEN0219\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"sku\"\u003eSEN0536\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eOperation Voltage\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_13\"\u003e3.3 ~ 5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_13\"\u003e3.7～5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_13\"\u003e4.5～5.5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_13\"\u003e4.5～5.5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_13\"\u003e3.3V-5V\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row odd\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eOutput\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_14\"\u003eGravity: I2C\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_14\"\u003eGravity: Analog (Analog2.7～4.1V) + 3P Header Digital Output(Alarm):0～VCC Level\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_14\"\u003eGravity: Analog (Analog Output 0.4～2V)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_14\"\u003eGravity: UART (0～3.3V Level)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_14\"\u003eGravity: I2C\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eMeasurement Principle\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_15\"\u003eThermal Conductivity (TC)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_15\"\u003eElectrochemistry (Solid electrolyte battery principle)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_15\"\u003eNDIR (non-dispersive infrared)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_15\"\u003eNDIR (non-dispersive infrared)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_15\"\u003ephotoacoustic NDIR\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row odd\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_16\"\u003e400 ~ 5000 ppm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_16\"\u003e0～10000 ppm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_16\"\u003e0~50000 ppm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_16\"\u003e400~5000 ppm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_16\"\u003e400～5000 ppm\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eAccuracy\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_17\"\u003e±(100 ppm + 10% of reading)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_17\"\u003e±100ppm@400ppm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_17\"\u003e±(100ppm + 6% readings)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_17\"\u003e±(100ppm + 6% readings)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_17\"\u003e±(40 ppm + 5% MV)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row odd\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eResponse Time\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_18\"\u003e\u0026lt;20s\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_18\"\u003e\u0026lt;20s\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_18\"\u003e\u0026lt;90s\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_18\"\u003e\u0026lt;30s\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_18\"\u003e60s\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eAverage Power\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_19\"\u003e\u0026lt;4.8mW@5V (950μA continuous)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_19\"\u003e\u0026lt;1W\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_19\"\u003e\u0026lt;430mW@5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_19\"\u003e\u0026lt;430mW@5V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_19\"\u003e\u0026lt;30mW@5V\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row odd\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eOperation Temperature\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_20\"\u003e10℃ ~ 40℃\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_20\"\u003e-20℃～50℃\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_20\"\u003e0℃～50℃\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_20\"\u003e0℃～50℃\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_20\"\u003e-10℃～60℃\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eOperation Humidity\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_21\"\u003e20 ~ 80% RH (non-condensing)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_21\"\u003e0～95% RH (No condensation)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_21\"\u003e0～95% RH (No condensation)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_21\"\u003e0～95% RH (No condensation)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_21\"\u003e0～95% RH (No condensation)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row odd\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eDimension (PCB)\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_23\"\u003e32*22 mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_23\"\u003e32*42 mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_23\"\u003e37*69 mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_23\"\u003e21*27.1 mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_23\"\u003e32*27*8mm\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_24\"\u003e1. 3-in-1 (CO2, Temp, Humidity) 2. High cost-effectiveness 3. Low power (1μA sleep) 4. Auto compensation 5. I2C Plug and play\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_24\"\u003e1. Large Range 2. Adjustable Alarm Threshold 3. Fast Response 4. Analog Output\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_24\"\u003e1. High Accuracy 2. Long Lifespan 3. Auto Temperature Compensation 4. Water Vapor Interference Resistance 5. Ananglog Output\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_24\"\u003e1. High Accuracy 2. Large Range 3. Long Lifespan 4. Auto Temperature Compensation 5. Water Vapor Interference Resistance 6.3.3V UART Output\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cspan class=\"plus_24\"\u003e1.CO2, temperature, and humidity, three in one 2. Small size of 32*27*8mm 3. Low power, average current＜4mA\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-table-row odd\"\u003e\n\u003cdiv class=\"cell product-table-head\"\u003e\u003cb\u003eAdd to Cart\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cbutton\u003e\u003ci class=\"iconfont icon-gouwuche1\"\u003e\u003c\/i\u003e\u003cspan\u003e \u003c\/span\u003eAdd to Cart\u003c\/button\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cbutton\u003e\u003ci class=\"iconfont icon-gouwuche1\"\u003e\u003c\/i\u003e\u003cspan\u003e \u003c\/span\u003eAdd to Cart\u003c\/button\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cbutton\u003e\u003ci class=\"iconfont icon-gouwuche1\"\u003e\u003c\/i\u003e\u003cspan\u003e \u003c\/span\u003eAdd to Cart\u003c\/button\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cbutton\u003e\u003ci class=\"iconfont icon-gouwuche1\"\u003e\u003c\/i\u003e\u003cspan\u003e \u003c\/span\u003eAdd to Cart\u003c\/button\u003e\u003c\/div\u003e\n\u003cdiv class=\"cell product-table-body\"\u003e\u003cbutton\u003e\u003ci class=\"iconfont icon-gouwuche1\"\u003e\u003c\/i\u003e\u003cspan\u003e \u003c\/span\u003eAdd to Cart\u003c\/button\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Features\" class=\"content Features\"\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cdiv\u003eHigh measurement accuracy: Based on the TC principle for stable and reliable dataLow power consumption: Suitable for battery-powered or always-on systemsCompact size: Easy to integrate into space-constrained and modular designDigital output: I2C interface with strong anti-interference capabilityPlug and play: Standard Gravity interface, no soldering required\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Applications\" class=\"content Applications\"\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cdiv\u003eIndoor air quality monitoring: Real-time CO₂ detection to improve comfort in homes and officesSmart home systems: Works with ventilation, air conditioning, and windows for automated airflow controlBuilding and classroom monitoring: Ensures air safety in high-occupancy environmentsEnvironmental monitoring \u0026amp; IoT: Suitable for various IoT air quality nodesEducational \u0026amp; experimental projects: Intuitive demonstration of CO₂ concentration changes for STEM education\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0678\/applications_0x0.jpg.webp\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Specification\" class=\"content Specification\"\u003e\n\u003ch4\u003eSpecification\u003c\/h4\u003e\n\u003cdiv\u003eSupply Voltage: 3.3–5.0 V DCOperating Temperature: 10°C ~ 40°COperating Humidity: 20% ~ 80% RH (non-condensing)Operating Current:\u003cbr\u003e           Peak: 4.2 mA\u003cbr\u003e           Continuous Measurement: 950 μA\u003cbr\u003e           Single-shot Mode: 100 μA (10s sampling interval)\u003cbr\u003e           Deep Sleep: 1 μACO₂ Measurement Range: 400–5000 ppmCO₂ Accuracy: ±(100 ppm + 10% of reading)Response Time: 20 sInterface: Gravity I2C\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 STCC4 CO2 Sensor x1Gravity 4Pin Cable x1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Documents\" class=\"content documents\"\u003e\n\u003ch4\u003eDocuments\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/sen0678\/\" target=\"_blank\"\u003eProduct Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Blue PCB Electronics","offers":[{"title":"Default Title","offer_id":44593749327975,"sku":null,"price":220.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2285\/0583\/files\/10.09.2026_12.21.55_REC.png?v=1789028616","url":"https:\/\/www.blue-pcb.com\/products\/gravity-stcc4-true-carbon-dioxide-co2-sensor-3-in-1-air-quality-monitoring-400-5000ppm","provider":"Blue PCB Electronics","version":"1.0","type":"link"}