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This product is a multifunctional air quality monitor that detects Carbon dioxide(CO2), Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter < micron sized particles (//10), Temperature, and Humidity with clock and record function. As a scientific air quality detection device, it combines multiple air sensors with a builtin fan to allow real time ...

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20200216· The following are the main components, all of which can be found on Aliexpress. PMS5003 (~13) — This is the air quality sensor from Plantower. It can be substituted by other models such as PMS3003, PMS7003 or PMSA003. ESP01 (~2) — A surprisingly cheap microcontroller with builtin WiFi. The I/O is a little bit limited but it’s good ...

The Grove Laser Sensor (HM3301) is a new generation of laser dust detection sensor, which is used for continuous and realtime detection of dust in the air. With its stable output, low noise, and ultralow power consumption, it is suitable for air conditioners, intelligent air purifiers, and other air qualityrelated IoT projects.

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