ADC121C_MQ3

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]

This Sample code can be used with Raspberry Pi, Arduino, Particle Photon, Beaglebone Black and Onion Omega.

Java

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.java

Run the java program.

$> pi4j ADC121C_MQ3

Download and install smbus library on Raspberry pi. Steps to install smbus are provided at:

Download (or git pull) the code in pi. Run the program.

$> python ADC121C_MQ3.py

Download and install Arduino Software (IDE) on your machine. Steps to install Arduino are provided at:

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.

Download (or git pull) the code. Go to online IDE and copy the code.

Verify and flash the code on your Photon. Code output is shown in logs at dashboard:

Download (or git pull) the code in Beaglebone Black.

Compile the c program.

$>gcc ADC121C_MQ3.c -o ADC121C_MQ3

Run the c program.

$>./ADC121C_MQ3

Get Started and setting up the Onion Omega according to steps provided at :

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_MQ3.py

#####The code output is the alcohol concentration in mg/l.