Octopus Smoke Sensor MQ-2/MQ-5 Brick

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Introduction

By using Octopus electronic bricks, you may connect Arduino/Freaduino compatible boards easily with various digital, analog and I2C/Uart interfaces. These the breadboard-less firm connection are prepared to extensive modules like poteniometers, sensors, relays, servos…even buttons, just plug and play.

The analog gas sensor - MQ2 is used in gas leakage detecting equipments in consumer and industry markets, this sensor is suitable for detecting LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It has a high sensitivity and fast response time.And the sensitivity can be adjusted by the potentiometer.

MQ-0205-01.jpg MQ-0205-02.jpg

Model: OBMQ02 Model: OBMQ05

Feature

  • Power supply needs: 5V
  • Interface type: Analog
  • Pin Definition: S-Sigal V-VCC G-GND
  • Wide detecting scope
  • Fast response and High sensitivity
  • Simple drive circuit
  • Stable and long life
  • Size: 38x27mm

Schematic

MQ-0205-04.jpg

Specification

Pin definition and Rating

GND VCC Signal
GND VCC Signal

Mechanic Dimensions

GAS-CC.jpg

Usage

  • 3P buckled wires connector

Soil-OB-07.jpg


Hardware Installation

MQ-0205-03.jpg

Octopus Smoke Sensor MQ-5 Brick.jpg

Programming

Includes important code snippet. Demo code like :

<syntaxhighlight lang="php">

///Arduino Sample Code void setup() {

 Serial.begin(9600); //Set serial baud rate to 9600 bps

} void loop() { int val; val=analogRead(A2); //Read Gas value from analog 0 Serial.println(val,DEC);//Print the value to serial port delay(100); }


</syntaxhighlight>

Example

The projects and application examples.

OB.jpg

Soil-OB-06.jpg



SHD IOE01 6.jpg


PushButtonS-07.jpg

Version Tracker

Revision Descriptions Release
v1.0b Initial public release date

Bug Tracker

Bug Tracker is the place you can publish any bugs you think you might have found during use. Please write down what you have to say, your answers will help us improve our

products.

Resources

How to buy

Click here to buy:

http://www.elecfreaks.com/estore/octopus-smoke-sensor-mq-2-brick-obmq02-324.html

http://www.elecfreaks.com/estore/octopus-smoke-sensor-mq-5-brick-obmq5.html

See Also

Other related products and resources.

Licensing

This documentation is licensed under the Creative Commons Attribution-ShareAlike License 3.0 Source code and libraries are

licensed under GPL/LGPL, see source code files for details.

External Links

Links to external webpages which provide more application ideas, documents/datasheet or software libraries