A Compared Evaluation between Digital Output Temp&Humidity Sensor HTU21D and SHT21

Integrated temperature and humidity sensors of small size and high accuracy are widely applied in cellphones, communication, HVAC, medical care, environment monitoring, home appliances and control panels. Here we ISWeek would like to compare the two best sellers in the market – HTU21D and SHT21- from aspects of their cost efficiency,…

Continue reading

Solutions of Smart Monitor & Precaution System for Combustible Gases in Urban Sewage Conduit

Municipal sewers, sewage conduits, bilge wells, and septic tanks transport both sanitary and industrial wastewater in urban areas. In these relatively sealed spaces, organic and inorganic matter in wastewater is decomposed by microbial action under anaerobic conditions, generating toxic and combustible gases. Without proper management and supervision, these gases can…

Continue reading