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MH-Z19C NDIR Infrared CO2 Sensor Module is a carbon dioxide gas sensor designed to measure CO2 concentration in air using non-dispersive infrared sensing for reliable indoor air quality and environmental monitoring. Ideal for HVAC control, smart home ventilation, classrooms, offices, greenhouses, and prototyping, the MH-Z19C helps detect rising CO2 levels so your system can log data, trigger fans, or automate fresh-air exchange. This compact CO2 sensor module is a popular choice for Arduino, Raspberry Pi, and ESP32 projects focused on air quality, ventilation control, and embedded sensing.
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🇺🇸 Ship from USA · On Agora since 2025
$28.99