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SCD40 CO2 Gas Sensor Module I2C Interface Measures Carbon Dioxide Temperature and Humidity in Saudi Arabia SCD40 CO2 Gas Sensor Module I2C Interface Measures Carbon Dioxide Temperature and Humidity in Saudi Arabia SCD40 CO2 Gas Sensor Module I2C Interface Measures Carbon Dioxide Temperature and Humidity in Saudi Arabia SCD40 CO2 Gas Sensor Module I2C Interface Measures Carbon Dioxide Temperature and Humidity in Saudi Arabia SCD40 CO2 Gas Sensor Module I2C Interface Measures Carbon Dioxide Temperature and Humidity in Saudi Arabia SCD40 CO2 Gas Sensor Module I2C Interface Measures Carbon Dioxide Temperature and Humidity in Saudi Arabia

SCD40 CO2 Gas Sensor Module I2C Interface Measures Carbon Dioxide Temperature and Humidity

SAR 114
– 1 +

Special Features

  • SCD40 has high precision and high cost performance. The module uses a 2.54mm pitch pin header interface to lead out the power supply and communication pins
  • Broad Voltage Range: Operates from 2.4V to 5.5V for versatile compatibility with various power sources and devices.
  • Digital I2C Interface: Ensures easy and stable communication with microcontrollers for seamless integration.
  • SCD40‌ supports ‌continuous measurement mode‌ and ‌low power periodic mode‌ (30 second intervals)‌
  • ‌SCD40‌ range is ‌400–2000 ppm‌, suitable for indoor monitoring, smart home and other common scenarios

Description

SCD40‌: range ‌400–2000 ppm
SCD40‌: Accuracy is ‌±(40 ppm + 3% of reading)‌ ‌
‌SCD40‌: Only supports ‌continuous measurement mode‌ and ‌low power periodic mode‌ (30 second interval)‌
SCD40‌: Suitable for indoor air quality monitoring, smart home and other common scenarios

Using ‌I2C interface‌ (default address 0x62), an external 4.7–10 kΩ pull-up resistor is required ‌
Built-in ‌SHT4x temperature and humidity sensor‌ to achieve on-chip signal compensation‌
Supports ‌Automatic Self-Calibration (ASC)‌ and ‌Forced Recalibration (FRC)‌ ‌
Sensitive to power supply noise, it is recommended to use LDO for power supply and add composite decoupling capacitors ‌
Its integrated on-chip temperature and humidity sensors provide automatic compensation, ensuring reliable and stable CO2 readings in varying conditions.

Packag include:
1 x SCD40‌ gas sensor module

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