LPG, propane and hydrogen sensor MQ-2 module - semiconductor - Waveshare 9529

Index: WSR-05521 EAN: 5904422333591

Module with sensor MQ-2 detecting LPG, propane and hydrogen. It is powered with the voltage from 2.5 V to 5 V. It has digital and analog output, making it compatible with most of the commissioning modules, including the Arduino.

LPG, propane and hydrogen sensor MQ-2 module - semiconductor - Waveshare 9529
€4.90
€3.98 tax excl.
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Manufacturer: Waveshare
Compatibility: Arduino

Description

The sensor detects the concentration of LPG, propane and hydrogen in air, the result can be obtained by measuring the voltage on the analog output. The system is powered with the voltage from 2.5 V to 5 V. It has a digital and analog output, making it compatible with mostof the commissioning modules, including Raspberry PiandArduino.

 

Specification

  • Power supply: from 2.5 V to 5 V
  • Analog and digital output
  • Pins: goldpin connectors, 2.54 mm pitch
  • Board sizes: 40 x 21 mm
  • It has mounting holes with a diameter: 2 mm

 

Specifications and other detailed information can be found in thedocumentation.

 

The product is compatible with Arduino

The manufacturer providesa sample programforArduinoandSTM32.

 

Czujnik gazów (propan, wodór LPG) - MQ-2 

The module has a connecting cable with female ends

 

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 gases 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.

Czujnik gazów - MQ-2

Test 3
Package width 7 cm
Package height 1.7 cm
Package depth 5.5 cm
Package weight 0.01 kg

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Product reviews

LPG, propane and hydrogen sensor MQ-2 module - semiconductor - Waveshare 9529

5/5

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Reviews:

Tomasz J. 31.07.2021 Confirmed purchase Translated review
The MQ-2 sensor purchased from the Botland company was used in my home IoT project based on the Home asisstance, mqtt and nodered system. The sensor works as it should.

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