How to build your own air quality meter with a Raspberry Pi and CO2 sensor

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...
Embedded

Tiny sensor delivers direct CO2 ppm readings

Infineon Technologies AG claims that its new CO 2 sensor — based on the photoacoustic spectroscopy (PAS) technology — saves 75% board space compared to commercially available gas sensors. The XENSIV ...
EDN

Pipe Weld Purge PPM Oxygen Analyzer

Add in the optional accessories such as a stainless steel gap probe, in-line filter, 2-10m of tubing, and a carrying case, this unit is an all-in-one portable welding companion that will increase ...
EDN

Miniature CO2 sensor simplifies design with direct ppm readings

Infineon Technologies AG claims that its new CO 2 sensor — based on the photoacoustic spectroscopy (PAS) technology — saves 75% board space compared to commercially available gas sensors. The XENSIV ...