Hi all! I buyed a Dynament Premier Sensor, a very good infrared sensor to get % of co2 in a gas. To connect it to arduino I must add a MAX232 interface. I used a MAX3232 connected: sensor tx: t1in sensor rx: r1out arduino tx: r1in arduino rx: t1out Sensor 3,3v from arduino max3232 5 volt from…

interfacing a co2 sensor with arduino

foxlox March 19, 2013, 5:50am 6

great Erdin,

it works now.