ADC121C_MQ9 Gas Sensor.
The MQ9 is capable of sensing carbon monoxide and combustible gas concentration levels.
This Device is available from ControlEverything.com [SKU: ADC121C_I2CGAS_MQ9]
https://www.controleverything.com/content/Gas?sku=ADC121C_I2CGAS_MQ9
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_MQ9.java
Run the java program.
$> pi4j ADC121C_MQ9
Download 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_MQ9.py
Download 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_MQ9.c -o ADC121C_MQ9
Run the c program.
$>./ADC121C_MQ9
Get 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 update
opkg install python-light pyOnionI2C
Download (or git pull) the code in Onion Omega. Run the program.
$> python ADC121C_MQ9.py
#####The code output is the carbon monoxide concentration in ppm.