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Measures carbon dioxide, temperature and humidity through a probe for indoor air-quality monitoring.
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The 7Semi CO₂, Temperature & Humidity Probe is a compact and easy-to-use environmental sensing module designed for accurate indoor air quality monitoring. It combines three important measurements—carbon dioxide levels, temperature, and humidity—into a single reliable probe, making it perfect for hobby projects, IoT systems, and smart automation setups.
This probe comes factory calibrated, so you can start using it directly without complex setup. With its simple I²C interface and low power modes, it works smoothly with popular platforms like Arduino, ESP32, STM32, and Raspberry Pi. It delivers stable and consistent readings, making it ideal for both beginners and advanced users.
• 3-in-1 sensing – CO₂, temperature and humidity in single module
• Accurate CO₂ measurement for indoor air monitoring
• Factory calibrated output – ready to use directly
• I²C interface for easy microcontroller connection
• Low power modes – suitable for battery projects
• Compact and lightweight probe design
• Stable readings with built-in compensation
• Supports continuous, single-shot and sleep operation modes
• Easy integration in IoT and embedded systems
7Semi CO2 Temperature Humidity Probe Arduino Library
How to Install 7Semi Arduino Library
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Use coupon code 7SEMI to get 10% discount on your first order