MQ5 LPG Natural Gas Sensor Module
Description:
MQ5 Gas Sensor Module is a versatile and highly sensitive sensor specifically designed for detecting a variety of combustible gases, primarily Liquefied Petroleum Gas (LPG), natural gas, methane, hydrogen, and other flammable gases in the air. It provides both analog and digital outputs, making it easy to interface with Arduino, Raspberry Pi, and other microcontroller platforms for gas detection and monitoring applications.Heart of this module is the MQ5 semiconductor sensor, which changes its internal resistance when exposed to combustible gases. This change in resistance is converted into a measurable output voltage by the module, allowing users to detect the presence and approximate concentration of gas in the surrounding environment.
Features:
1. High sensitivity to LPG, Methane, and Natural Gas
2. Capable of detecting a wide range of combustible gases
3. Fast response and recovery time
4. Long life and stable performance
5. Dual output modes: Analog and Digital
6. Adjustable sensitivity using an onboard potentiometer
7. Built-in Power and Output status indicator LEDs
8. Compact and lightweight design
9. Easy to interface with microcontrollers
Diagram:
Specifications:
| Sensor Type | MQ-5 Semiconductor Gas Sensor |
| Detectable Gases | LPG, Methane, Natural Gas, Hydrogen, Alcohol, Propane |
| Operating Voltage | DC 3.3V ~ 5V |
| Output Type | Analog Output (AO) and Digital Output (DO) |
| Response Time | <10 seconds |
| Recovery Time | <30 seconds |
| Preheat Time | ~20 seconds (for stable readings) |
| Operating Temperature | -10°C ~ +50°C |
| Humidity Range | ≤ 95% RH (non-condensing) |
| Power Consumption | Less than 150 mA |
| PCB Dimensions | Approx. 32mm x 20mm |
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