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---+ Dust Sensors ---++ Introduction In order to measure air pollution dust sensors play an important role. They are often based on an optical system where light, scattered on dust particles is measured. I have 3 different sensors which should allow me to compare results: * *Plantower PMS5003*. I found 2 manuals for this sensor: * [[http://www.aqmd.gov/docs/default-source/aq-spec/resources-page/plantower-pms5003-manual_v2-3.pdf][PMS5003 data sheet]] * [[https://www.rigacci.org/wiki/lib/exe/fetch.php/doc/appunti/hardware/raspberrypi/pms5003-and-pms7003-experiment.pdf][PMS5003 air quality sensor experiment]] * The *Shinyei !PPD42NS* * [[https://www.switchdoc.com/wp-content/uploads/2018/08/Grove_-_Dust_sensor.pdf][Shinyei PPD42NS product specification]] * [[https://morresi.files.wordpress.com/2020/02/shinyeippd42ns_deconstruction_tracyallen.pdf][Deconstruction of the Shinyei PPD42NS dust sensor]] * Paper: [[https://jordifonollosa.files.wordpress.com/2015/01/dust_sensor.pdf][Test of Particle Sensor (PPD42NS, Shinyei)]] * The *Sharp !GP2Y1010AU0F* * [[https://www.sparkfun.com/datasheets/Sensors/gp2y1010au_e.pdf][GP2Y1010AU0F data sheet]] * [[https://global.sharp/products/device/lineup/data/pdf/datasheet/gp2y1010au_appl_e.pdf][GP2Y1010AU0F application note]] ---++ The Plantower PMS5003 sensor The pinout table for the PMS5003 is given below (the colors correspond to my cable and yours may well differ) | Pin number | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | | signification | nc | nc | reset (active low) | Tx (3.3V level) | Rx (3.3V level | set pin (3.3V or open: normal working status) | Gnd | Vcc: 5V | | on ESP32 | | | D0: GPIO 26 | D1: GPIO 22 | D2: GPIO 21 | n.c. | Gnd | 5V | | cable color | n.c. | n.c. | black | gray | white | violet (n.c.) | blue | green | -- %USERSIG{UliRaich - 2021-01-28}% ---++ Comments %COMMENT%
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2021-01-28 - 20:11
UliRaich
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Topic revision: r2 - 2021-01-29
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UliRaich
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