The primary method for detecting carbon dioxide (CO2) is to use infrared gas sensors (NDIR). Chemical sensing is another method for detecting CO2. CO2meter.com sells a range of CO2 sensors, and provides support to connect them easily to an Arduino (see here for a UART example).
Posted: April 3rd, 2013 at 7:15 pm
Last Updated on: April 8th, 2016 at 5:48 pm