DFRobot Fermion: MEMS Gas Sensor – MiCS-5524 (Breakout)


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.

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The Fermion MEMS Gas Sensor MiCS-5524 (Breakout) is a hydrogen and nitrogen oxide gas concentration sensor launched by DFRobot. The sensor uses MEMS technology to support gas concentration detection of CO, CH4, C2H5OH, C3H8, C4H10, H2, H2S, and NH3. The matching sample code integrates the concentration conversion formula of various gas to facilitate the testing and use of sensors.
Gas leak detection
Gas safety equipment
Air environment detection
Fermion MEMS Gas Sensor MiCS-5524 (Breakout)
Supports a variety of harmful gas detection
Integrates the calculation formulas of various gas concentration
Low power consumption
I2C digital output
Compatible with the 3.3~5.5V master controller

Detection of Physical Quantities Gas concentration or gas leakage of NO, NO2, H2
Operating voltage 4.9 ~ 5.1 V DC
Power dissipation 0.45 W
Output signal Analog quantity
Working temperature -30 ~ 85 °C
Working humidity 5 ~ 95%RH (No condensation)
Storage temperature -40 ~ 85 °C
Lifespan >2 years (in the air)
Circuit board size 12mm×16mm
Mounting hole size Inner diameter 2mm/outer diameter 4mm


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