MQ-6 - LPG Liquefied Petroleum Gas Sensor Module with LM393 Comparator

MQ-6 is a sensor designed to detect gases such as LPG, butane, propane and natural gas.

Thanks to its high sensitivity and resistance to interference, it is ideal for gas leak monitoring systems in homes and industrial plants.

Technical data:

Type: LPG Gas Sensor
Operating Voltage: 5 V DC
Detection of: LPG, Propane, Butane
Current consumption max 150mA
Measuring range: 200-10000 ppm LPG
Output: Analog, Digital
Working temperature: -20 to 50 ° C
Connector: goldpin header, 2.54mm pitch
Dimensions: 32 x 21 x 22 mm
Weight: 6.4 g

MQ-6 Module in action:

- Digital output D0.
With the help of the potentiometer placed on the back of the board, the threshold is set, after which the output D0 goes from high to low. The D0 pin can be connected directly to a microcontroller or commissioning kit, including Arduino, or, for example, with a buzzer module, which will signal too low or high levels of undesirable gases in the air

- Analog output A0
The sensor also has an A0 analog output, which should be connected to the A/C converter (analog input in Arduino). This will allow you to more accurately determine the concentration by measuring the proportional voltage signal.

Pinout:
- digital (binary D0),
- analog (A0)
- Vcc power supply (+ 3.3-5V)
- GND (0V ground)