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
July 2022 - Silicon Chip Online siliconchip.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from siliconchip.com.au Daily Mail and Mail on Sunday newspapers.
June 2022 - Silicon Chip Online siliconchip.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from siliconchip.com.au Daily Mail and Mail on Sunday newspapers.
Our recent article took a look at low-cost air quality sensors and sensing modules, explaining what they do and how they work. Here’s a more detailed investigation of some of the currently available MOS (metal oxide semiconductor) type sensor modules. by Jim Rowe
The CJMCU-7620 can sense and recognise gestures made with your hands and can be connected to an Arduino or Micromite. It comes as part of a module sized just 16 x 20mm for under $20. by Jim Rowe