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How A Photo-acoustic CO2 Sensor Works - Gravity: I2C SCD41 Infrared CO2 Sensor (400 - 5000 ppm)

This project creates a portable CO₂ detection card using the SCD41 infrared photo-acoustic sensor, replacing bulky NDIR systems with MEMS microphones to shrink optical chambers for compact design. It delivers ±(40 ppm + 5% MV) accuracy in 400-5000 ppm range, enabling lightweight monitoring while requiring minimal environmental interference (vibrations, heat).

4/21/2025 4:54:25 PM

Part List

תמונהמק"ט יצרןתיאורכמות זמינהמחירהצגת הפרטים
GRAVITY: I2C SCD41 INFRARED CO2SEN0536GRAVITY: I2C SCD41 INFRARED CO2מיידית - 24$222.17הצגת הפרטים
1.47 172320 IPS LCD DISPLAY MODUDFR09951.47 172320 IPS LCD DISPLAY MODUמיידית - 0$35.53הצגת הפרטים
LED MOD RGB LINEAR STRIPFIT0750LED MOD RGB LINEAR STRIPמיידית - 2$84.77הצגת הפרטים