With the continuous development of technology, the Internet of Things (IoT) has become an important application field in various industries. In the construction of smart cities, the use of smart water meters is becoming increasingly common. The LoRaWAN smart water meter solution is gradually receiving widespread attention and application. LoRaWAN is a low-power wireless communication … Read more
Siqing Liu, Yinggang Xie, Bolun Xin, Qiwen Deng (School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing 100101) Abstract: In response to the current issues of low efficiency, large errors, and limited range of traditional mechanical water meters, a home water intelligent monitoring system based on NB-IoT smart water meters is … Read more
Keywords: Central Air-Conditioning System; ZigBee Wireless Transmission; Platform Establishment; Data Monitoring; Data Analysis; Operation Optimization Classification Number: TN926-34; TU831 Literature Identification Code: A Article Number: 1004-373X (2020) 24-0045-04 Application of ZigBee Wireless Transmission Technology in Central Air-Conditioning System WU Xia1, GAO Yan1, 2 (1. Beijing Key Laboratory of Heating and Gas Supply, Ventilation and Air … Read more
// Network 1: Start Conveyor Belt LD I0.0 // Start Button S Q0.0 // Conveyor Motor // Network 2: Stop Conveyor Belt LD I0.1 // Stop Button R Q0.0 // Conveyor Motor This code segment shows that I0.0 and I0.1 are inputs (like buttons), while Q0.0 is the output (like the conveyor motor). When the … Read more