The Sensirion Particulate Matter Sensor SPS30 is a compact, high quality, optical particle sensor that uses laser scattering and Sensirion's innovative contamination resistance technology to achieve superior binning and particle measurement. This sensor allows users to measure mass concentration and number of particles of 1 µg/m^3, 2.5 µg/m^3, 4 µg/m^3, and 10 µg/m^3.
The compact form factor, measuring just under 41mm x 41mm x 12mm, combined with a sensor lifetime over 8 years and a self cleaning procedure, makes the SPS30 the perfect sensor for projects in difficult to access locations. We've designed and included an easy to use 5-pin cable to make using the SPS30 a snap. The 1.5mm connector is broken out to 5 breadboard friendly wires color coded to make hooking up the SPS30 easy.
The SPS30 has a five pin interface that can communicate over two different protocols: UART and I2C. The SPS30 requires a 5V power supply, but can work with 3.3V and 5V microcontrollers. The logic is 5V and 3.3V tolerant.
Sensirion has written drivers for both the UART protocol and I2C. Unfortunately we've found the I2C is limited to only mass concentrations (not number concentrations) using the Arduino platform. So if you plan to use this sensor with an Arduino, use the UART interface. Both interfaces are described in their datasheet.
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This little guy is half the size (thickness) of the Honeywelll HPMA115S0 and it gives 2 more points of data (1 Âµg/m3 & 4 Âµg/m3)! Not only that but it also has self cleaning which the Honeywell does not have. I'm hoping after I test this dude out I can see if it has a standby mode which the Honeywell has some serious issues dealing with make it not nearly as useful as it could be since its almost always running.
I also have the evaluation kit and using the SPS30 software that can be downloaded from their web site it gave very accurate. Used in 3D printing to see what the environment is like.