DFRobot Gravity: MEMS Gas Sensor (CO, Alcohol, NO2 & NH3) I2C MiCS-4514


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DFrobot offers an advanced level of sensors at an affordable cost than any other competitor brand in the market, making them ideal for the one who wants to start some Projects through Different types of sensors.

After finding Different types of sensors on market, we at robu. in have determined that DFrobot is one of the good brands that offer a wide range of sensors at an Appropriate price.

DFRobot offers a 3.3/5V compatible MEMS gas concentration sensor. This sensor can detect a variety of gas concentrations, including CO, C2H5OH (alcohol), H2, NO2, and NH3, and the code includes various gas concentration conversion formulas to make sensor testing and use easier. Its compatible with Arduino, ESP32, Raspberry Pi, and other mainstream controllers thanks to its I2C output and 3.35.5V wide voltage input.

Board Overview:


Connection Diagram:
  1. Gas leak detection
  2. Gas safety equipment
  3. Air environment detection


  1. Support detection of a variety of harmful gas
  2. Integrate the calculation formulas of various gas concentration
  3. Low power consumption
  4. I2C digital output
  5. Compatible with the 3.3~5.5V master controller

Useful Links:

Please visit the DFrobot wikipage for more information about this product. Any suggestions for improvement, such as correcting errors, adding more demo codes or tutorials, will be highly appreciated.

Package Includes:

1 x Gravity: MEMS CO, Alcohol, NO2 & NH3 Gas Sensor

1 x Gravity-4pin I2C Cable

Attachments :


* Product Images are shown for illustrative purposes only and may differ from actual product.


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