Fermion MEMS Gas Detection Sensor Carbon Monoxide (CO) (Breakout, 5-5000ppm)
Fermion MEMS CO Gas Sensor
Overview
Compact carbon monoxide (CO) gas detection sensor
Based on MEMS (Microelectromechanical Systems) technology
Designed for low-power air quality and safety monitoring
Compatible with Arduino, ESP32, Raspberry Pi
Working Principle
CO gas interacts with MEMS sensing material
Causes change in sensor resistance (chemiresistive effect)
Circuit converts change analog voltage output
Microcontroller interprets signal CO concentration trend
Designed for qualitative detection (relative measurement)
Key Specifications
Gas Detong>Detection Range: 5 5000 ppm
Operating Voltage: 3.3V 5V
Current Consumption: < 20 mA
Output Type: Analog voltage
Sensitivity: R/Rs 3 (at 150 ppm CO)
Operating Temp: -10C to 50C
Humidity Range: 15% 90% RH
Size: ~13 13 2.5 mm
Lifespan: 5 years
Module Components
MEMS CO sensing chip
Signal conditioning circuit
Analog output pin
Compact breakout PCB
Features
Ultra-small size (13y time
Minimal heat generation
Suitable for portable devices
Applications
CO leak detection systems
Air quality monitoring
Industrial safety monitoring
Mining and metallurgy environments
Portable gas detectors
Usage Tips
Remove protective film before use
Preheat sensor (~24 hrs if unused long time)
Avoid exposure to:
Silicone vapors
Corrosive gases (H'S, Cl, etc.)
Protect from water, condensation, and extreme environments
Do not use for life-critical safety systems
Advantages
Easy analog interface
Long operational life
Limitations
Provides relative (qualitative) readings only
Not suitable for precise ppm measurement
Sensitive to temperature & humidity
Requires calibration for better accuracy
Summary
MEMS-based carbon monoxide detection sensor
Detects CO in 55000 ppm range
Outputs analog signal for microcontrollers
Ideal for IoT, safety alerts, and environmental monitori

