A team of school students from Shiv Nadar School, Gurugram, have come up with a plug-and-play device that can help reduce the number of road accidents caused by truck or cab drivers due to long hours of driving, fatigue and over-speeding.
Continuing our series of articles describing low-cost air quality sensors (LCAQS), this month, we take a close look at a sensor module based on photoacoustic spectroscopy or PAS. It’s the Infineon XENSIV PAS CO2 mini-board. by Jim Rowe
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