In principle, an optical dust sensor detects the dust particle concentration the in air by using an optical sensing method. An infrared light emitting diode and a photosensor are optically arranged in ...

the Dust Box is using the BME280 sensor for general environmental monitoring and the SDS011 laser particle sensor to determine what’s in the air. Just plug it into a convenient USB power source, ...

If you want a handheld device that detects dust, this should be the chip you’re looking at. Unfortunately, Maxim is being very, very tight-lipped about how this particle sensor works.

The result should have been a spectrum unique to latex, but instead the spectrum carried the signature of several common minerals due to a single dust particle that had gotten inside the sensor ...

With the help of wearables equipped with the new particle sensor, each and every individual can monitor the ambient air and react immediately in the case of health-endangering fine dust values.

The company's original shape-discrimination algorithm distinguishes between pollen and dust based on their differences in optical characteristics in the generated scattered light. Particle ...