MG811 CO2 Carbon Dioxide Sensor
MG811 CO2 Carbon Dioxide Sensor is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
Domestic shipping is handled by Akis Express in one working day for pickup points and 2-3 working days for door to door delivery. For international shipping there is option for a Post Office or a FedEx Express.
MG811 CO2 Carbon Dioxide Sensor is backordered and will ship as soon as it is back in stock.
The MG811 CO₂ Sensor is designed for detecting Carbon Dioxide (CO₂) concentration in the air. It is ideal for air quality monitoring systems, HVAC control, environmental sensing projects and smart building applications.
With its high sensitivity to CO₂ and stable performance, this module is widely used in indoor air quality monitoring and research oriented projects. It can be integrated with Arduino, ESP32, Raspberry Pi (with ADC) and other microcontroller platforms.
Highlights:
- Specifically designed for Carbon Dioxide (CO₂) detection.
- High sensitivity and good selectivity to CO₂.
- Analog voltage output.
- Built in signal conditioning circuit.
- Suitable for continuous air quality monitoring.
- Compatible with popular development boards.
Specifications:
- Operating Voltage: 5V (sensor heating circuit).
- Signal Output Voltage: 0-2V (analog).
- Detectable Gas: Carbon Dioxide (CO₂).
- Detection Range: ~350-10,000 ppm.
- Preheat Time: 3-5 minutes recommended.
- Operating Temperature: -10°C to +50°C.
- Module Type: Electrochemical CO₂ sensor.
- Dimensions: ~33×20×34mm.
- Interface: 4-pin (VCC, GND, A0, D0).
Ideal For:
- 🏠 Indoor air quality monitoring.
- 🏢 Smart buildings & HVAC systems.
- 🌍 IoT environmental monitoring stations.
- 🔬 University research projects.
- 🎓 Arduino & STEM education projects.
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