{"product_id":"adafruit-stcc4-and-sht41-co2-temperature-humidity-sensor-stemma-qt-qwiic","title":"Adafruit STCC4 and SHT41 - CO2, Temperature \u0026 Humidity Sensor - STEMMA QT \/ Qwiic","description":"\u003cp\u003eThe Adafruit STCC4 + SHT41 Sensor is a compact indoor air quality breakout for measuring CO₂, temperature, and humidity in one small board. It is a great choice for room air monitors, smart home projects, classroom sensors, ventilation alerts, and Raspberry Pi or Arduino data logging builds.\u003c\/p\u003e\n\u003cp\u003eThe STCC4 measures real CO₂ using thermal conductivity, unlike gas sensors that only estimate CO₂ from VOC levels. It is made for normal indoor air monitoring and works best for checking stuffy rooms, airflow, and general comfort levels. Adafruit notes that it is not meant for scientific CO₂ testing or unusual gas environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTo improve readings, Adafruit paired the STCC4 with an SHT41 temperature and humidity sensor. The SHT41 offers typical accuracy of ±1.8% RH and ±0.2°C, helping the board read room conditions more reliably. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe board includes STEMMA QT \/ Qwiic connectors, so you can connect it to compatible I2C boards without soldering. It also comes with header pins for breadboard use. Adafruit provides Arduino and CircuitPython\/Python library support, making it friendly for microcontrollers and single-board computers like Raspberry Pi. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Specs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1ajzkrd\"\u003eProduct ID: 6478\u003c\/li\u003e\n\u003cli data-section-id=\"oh1rkl\"\u003eSensors: STCC4 CO₂ + SHT41 temperature and humidity\u003c\/li\u003e\n\u003cli data-section-id=\"yongeh\"\u003eCO₂ range accuracy: ±100 ppm + 10% from 400–5,000 ppm\u003c\/li\u003e\n\u003cli data-section-id=\"iyf01b\"\u003eInterface: I2C\u003c\/li\u003e\n\u003cli data-section-id=\"1ow7n4t\"\u003eDefault I2C address: 0x64\u003c\/li\u003e\n\u003cli data-section-id=\"6z3rhj\"\u003eAlternate I2C address: 0x65\u003c\/li\u003e\n\u003cli data-section-id=\"pp1ni\"\u003eSHT41 I2C address: 0x44\u003c\/li\u003e\n\u003cli data-section-id=\"prhr8j\"\u003eSupply voltage: 3.3V to 5V\u003c\/li\u003e\n\u003cli data-section-id=\"rzsgt\"\u003eConnector: STEMMA QT \/ Qwiic\u003c\/li\u003e\n\u003cli data-section-id=\"195p89n\"\u003eBest use: Indoor air quality monitoring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitrocks","offers":[{"title":"Default Title","offer_id":52650796450081,"sku":"6478","price":3273.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/6478-04.jpg?v=1778140176","url":"https:\/\/circuit.rocks\/products\/adafruit-stcc4-and-sht41-co2-temperature-humidity-sensor-stemma-qt-qwiic","provider":"circuitrocks","version":"1.0","type":"link"}