Journal
2ND INTERNATIONAL CONFERENCE ON AIR POLLUTION AND ENVIRONMENTAL ENGINEERING
Volume 450, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1755-1315/450/1/012013
Keywords
Sensor technology; filtering algorithm; OLED screen; PM2.5
Funding
- Guangdong Provincial Innovation and Entrepreneurship Training Program [201713719017]
- Innovation and Improve School Project from Guangdong university of Science and Technology [GKY-2015CQPT-2]
- Internet of Things Technology and Application Experimental Teaching Demonstration Center [CQ2018007]
- College Students Innovation Training Program [1711034, 1711080, 1711088]
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Environmental pollution problems are becoming more and more serious, air pollution and air quality problems, has become a hot spot of special concern. PM2.5 is an important indicator of air quality testing.This design uses GP2Y1010AUOF dust sensor,SHT20 temperature and humidity sensor and so on, transmit the signal to ATMEGA328PAUM SCM. The system detects the detection through the analog to digital conversion and median value average filtering algorithm. The PM2.5 Concentration values are displayed to OLED screen, alert if the detection value exceeds the standard. Experiments show that the system is running well, with a measurement accuracy of 4.8%, and has a certain stability and practicality.
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