ADC121C_MQ3 Gas Sensor.
The ADC121C_MQ3 is capable of sensing air alcohol concentration levels from 0.05mg/L to 10mg/L
This Device is available from ControlEverything.com [SKU: ADC121C_I2CGAS_MQ3]
https://www.controleverything.com/content/Gas?sku=ADC121C_I2CGAS_MQ3
This Sample code can be used with Raspberry Pi, Arduino, Particle Photon, Beaglebone Black and Onion Omega.
Download and install pi4j library on Raspberry pi. Steps to install pi4j are provided at:
Download (or git pull) the code in pi.
Compile the java program.
$> pi4j ADC121C_MQ3.javaRun the java program.
$> pi4j ADC121C_MQ3Download and install smbus library on Raspberry pi. Steps to install smbus are provided at:
https://pypi.python.org/pypi/smbus-cffi/0.5.1
Download (or git pull) the code in pi. Run the program.
$> python ADC121C_MQ3.pyDownload and install Arduino Software (IDE) on your machine. Steps to install Arduino are provided at:
https://www.arduino.cc/en/Main/Software
Download (or git pull) the code and double click the file to run the program.
Compile and upload the code on Arduino IDE and see the output on Serial Monitor.
Login to your Photon and setup your device according to steps provided at:
https://docs.particle.io/guide/getting-started/connect/photon/
Download (or git pull) the code. Go to online IDE and copy the code.
https://build.particle.io/build/
Verify and flash the code on your Photon. Code output is shown in logs at dashboard:
https://dashboard.particle.io/user/logs
Download (or git pull) the code in Beaglebone Black.
Compile the c program.
$>gcc ADC121C_MQ3.c -o ADC121C_MQ3Run the c program.
$>./ADC121C_MQ3Get Started and setting up the Onion Omega according to steps provided at :
https://wiki.onion.io/Get-Started
To install the Python module, run the following commands:
opkg updateopkg install python-light pyOnionI2CDownload (or git pull) the code in Onion Omega. Run the program.
$> python ADC121C_MQ3.py#####The code output is the alcohol concentration in mg/l.