DFRobot
Gravity: MEMS Gas Sensor (CO, Alcohol, NO2 & NH3) - I2C - MiCS-4514
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This is a 3.3/5V compatible MEMS gas concentration sensor from DFRobot. This sensor supports the detection of various gas concentrations like CO, ...
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This is a 3.3/5V compatible MEMS gas concentration sensor from DFRobot.
This sensor supports the detection of various gas concentrations like CO, C2H5OH (Alcohol), H2, NO2, NH3, and integrates various gas concentration conversion formulas in the code to facilitate the testing and use of sensors.
With I2C output and 3.3~5.5V wide voltage input, it is compatible with Arduino, ESP32, Raspberry Pi and other mainstream controllers.
Board Overview
Features
Support detection of a variety of harmful gas
Integrate the calculation formulas of various gas concentration
Low power consumption
I2C digital output
Compatible with the 3.3~5.5V master controller
Applications
Gas leak detection
Gas safety equipment
Air environment detection
Specification
Detection of Physical Quantities: gas concentration of CO, C2H5OH(Alcohol), H2, NO2, NH3, CH4
Operating Voltage: 3.3~5.5V DC
Power Dissipation: 0.45W(5V)
Output Signal: I2C (0~3V)
Measuring Range:
1 – 1000ppm (Carbon monoxide CO)
0.05 – 10ppm (Nitrogen dioxide NO2)
10 – 500ppm (Ethanol C2H5OH)
1 – 1000ppm (Hydrogen H2)
1 – 500ppm (Ammonia NH3)
>1000ppm (Methane CH4)
1 – 1000ppm (Carbon monoxide CO)
0.05 – 10ppm (Nitrogen dioxide NO2)
10 – 500ppm (Ethanol C2H5OH)
1 – 1000ppm (Hydrogen H2)
1 – 500ppm (Ammonia NH3)
>1000ppm (Methane CH4)
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: 27mm* 37mm
Mounting Hole Size: inner diameter 3.1mm/ outer diameter 6mm
Documents
Shipping List
Gravity: MEMS CO, Alcohol, NO2 & NH3 Gas Sensor x1
Gravity-4pin I2C Cable x1
Jargon buster
Plain-language definitions for the technical terms used above.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- Power dissipation
- Power dissipation is electrical energy being turned into heat inside a component. It matters because too much heat can reduce efficiency, affect reliability, or require a larger component or better cooling.
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CE Certificate
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RoHS Certificate
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Supplier page — dfrobot.com
Supplier Description · 702.3 KB · Click any page to view full size
Related Tutorials
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