Smoke and flammable gas sensor MQ-2 - semiconductor - black

Index: MOD-01911 EAN: 5904422359089

Module with smoke detector and flammable gas MQ-2 with the goldpin pins, pitch of 2.54 mm. It is powered with the voltage of 5 V. It has digital and analog output, making it compatible with most of the commissioning modules including Arduino.

Smoke and flammable gas sensor MQ-2 - semiconductor - black
€3.50
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Manufacturer: OEM

Specification

  • Power supply: 5 V
  • Current consumption: 150 mA
  • Measuring range up to 10,000 ppm
  • Operating temperature: -20 to 50 °C
  • Analog and digital output
  • Pins: goldpin connectors, 2.54 mm pitch
  • Dimensions: 35 x 22 x 25 mm
  • It has mounting holes with diameter: 3.2 mm

 

Features and other details are specified in thedocumentationof the sensor.

 

Description

The sensor measures the concentration of flammable gases in the air, the result can be obtained measuring the voltage on the analog output. The system is powered with the voltage of 5 V. Current consumption is about 150 mA. It has digital and analog output, making it compatible with mostof the commissioning modules including Raspberry PiandArduino.

The digital output D0

With the help of placed on the reverse side of the board, potentiometer, set is the threshold, exceeding of which, causes the output D0 changing from a high to a low status. The pin D0 can be linked directly with a microcontroller or commissioning set, including Arduino, or for example, a module with a buzzer, which will signal a too low or too high level of unwantedgases in the air

 

Analog output A0

The sensor has an analog output A0, which must be connected to the pin of the converter A/D (analog input in Arduino). This will allow you to measure the proportional voltage signal and more accurately determine the concentration.

Package width 4 cm
Package height 6 cm
Package depth 2.5 cm
Package weight 0.008 kg

Mikołaj

11/29/22

Question: Good morning. How to convert analog value to ppm?

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Smoke and flammable gas sensor MQ-2 - semiconductor - black

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