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The Simple MQ-5 Gas Sensor Module is an inexpensive way to add basic gas sensing to your project. A Buzzer is used by the MQ-5 Methane LPG Liquid Propane Gas Sensor Module particulate sensor to detect any detected material that is even present in the air!
This MQ-5 Methane LPG Liquid Propane Gas Sensor Module is widely used in gas leak detection pieces of equipment in the home and industry, and is suitable for detecting LPG, natural gas, town gas, as well as avoiding the noise of alcohol and cooking fumes and cigarette smoke.
The MQ5 (MQ-5) sensor is used in gas leakage detection equipment in consumer and industrial applications. It can detect LPG, natural gas, and coal gas. Avoid alcohol noise, cooking fumes, and cigarette smoke. The potentiometer can be used to adjust the sensitivity.
The MQ-5 gas sensor's sensitive material is tin Oxide (SnO2), which has a lower conductivity in clean air. When the target combustible gas is present, the sensor's conductivity increases as the gas concentration rises. Please use a simple electro circuit to convert the change in conductivity to the corresponding gas concentration output signal.
The MQ-5 gas sensor has a high sensitivity to methane, propane, and butane and can detect both methane and propane. The sensor could be used to detect various combustible gases, particularly methane; it is low-cost and suitable for a variety of applications.
If you want to use this MQ-5 Gas Sensor Module with Arduino, for that you will need
Read our blog explaining the classification of sensors in IoT detailing 5 core classifications depending on how they work, 10 types of sensors, and the Characteristics of Sensors in IoT.
MQ-5 Gas Sensor Module Pin Diagram
MQ-5 Gas Sensor Module Pin Description
| 1 | AO | Analog output (Sensor data output in analog form) |
| 2 | DO | Digital output (Sensor data output in digital form) |
| 3 | GND | To -ve of power supply |
| 4 | VCC | To +ve of power supply |
| Gas Sensor Model | MQ5 |
| Operating Voltage | 5V (DC) |
| Operating Temperature | -20 to 40 (°C) |
| Dimensions | 3.2 x 2 x 2.2cms |
| Weight | 5 grams |
