The Design of Indoor Humidity Temperature and Harmful Gas Monitoring System Based on Single Chip

At present, with the improvement of living standards, people's comfort demand on indoor living environment is higher and higher. Housing and rooms which are the places of people's life and family reunion are the important material conditions, but with the mass use of decoration materials and more and more wide daily article use, household environment hazards not only in the influence of the indoor humidity temperature, also in the size of the indoor harmful gas concentration. After indoor decoration, formaldehyde monitoring is the concentration of people's attention. The related data statistics of Chinese environmental protection association show that the illness or death proportion due to indoor environment pollution every year has aroused the experts' attention, and indoor environment pollution has become one of killer which has a serious influence of the modern human health. Nowadays, there are indoor environment monitoring instruments in market, which mainly aim at the harmful gas detection with single function, and expensive price. According to the market research, there is a need for comprehensive system of household indoor humidity temperature and harmful gas detection. This paper aims at it[1,2].