


The MQ-2 Gas Sensor Module is designed to detect various gases, including LPG, Alcohol, Propane, Hydrogen, CO, and Methane. Operating at +5V, this versatile sensor provides both analog and digital outputs, with adjustable sensitivity via a potentiometer.
Key Features:
Operating Voltage: +5V
Gas Detection: LPG, Alcohol, Propane, Hydrogen, CO, Methane
Analog Output Voltage: 0V to 5V
Digital Output Voltage: 0V or 5V (TTL Logic)
Preheat Duration: 20 seconds
Versatile Use: Can be used as both Digital or Analog sensor
Adjustable Sensitivity: Digital pin sensitivity can be adjusted using the potentiometer
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The MQ-2 Gas Sensor Module is an essential component for detecting various gases, making it ideal for environmental monitoring, safety systems, and various electronic projects. This sensor operates at a voltage of +5V and can measure gases such as LPG, Alcohol, Propane, Hydrogen, CO, and even Methane. It offers both analog and digital output options, with the analog output voltage ranging from 0V to 5V and the digital output voltage being either 0V or 5V (TTL Logic). The preheat duration is 20 seconds, ensuring accurate and stable readings.
One of the key features of the MQ-2 Gas Sensor Module is its adjustable sensitivity, which can be modified using the potentiometer on the digital pin. This flexibility allows for precise detection and measurement according to your specific needs.
Key Specifications:
Operating Voltage: +5V
Gas Detection: LPG, Alcohol, Propane, Hydrogen, CO, Methane
Analog Output Voltage: 0V to 5V
Digital Output Voltage: 0V or 5V (TTL Logic)
Preheat Duration: 20 seconds
Versatile Use: Can be used as both Digital or Analog sensor
Adjustable Sensitivity: Digital pin sensitivity can be varied using the potentiometer
Use of the Product: The MQ-2 Gas Sensor Module is perfect for environmental monitoring, safety systems in homes and industries, and various DIY electronics projects. It helps in detecting hazardous gas levels, ensuring safety and providing essential data for analysis.
Benefits of the Product:
Reliable Detection: Accurately detects a range of gases, ensuring safety and environmental monitoring.
Versatile Outputs: Provides both analog and digital outputs for flexible integration.
Adjustable Sensitivity: Customizable sensitivity to suit specific detection needs.
Quick Preheat Time: Fast preheat duration for prompt and stable readings.
Frequently Asked Questions:
What gases can the MQ-2 sensor detect?
It can detect LPG, Alcohol, Propane, Hydrogen, CO, and Methane.
Can the sensitivity of the sensor be adjusted?
Yes, the sensitivity of the digital pin can be adjusted using the potentiometer.
What is the preheat duration for the sensor?
The preheat duration is 20 seconds.
Tips for Use:
Proper Installation: Ensure the sensor is installed in a well-ventilated area for accurate readings.
Stable Power Supply: Use a stable +5V power supply to maintain consistent performance.
Regular Calibration: Calibrate the sensor regularly to ensure accurate detection.