Categoría: Noticias (página 129)

According to data from the Ministry of Industry and Information Technology, the scale of my country’s Internet of Things industry is planned to reach 1.5 trillion yuan in 2020, and the value of related chips, modules, and terminals will account…

Due to the need to use the public network to achieve wireless meter reading, a DTU module based on 4G network was designed and developed to implement the application of the DTU module in the meter reading system. This article…

The GPRS remote wireless measurement and control method solves many problems such as high line laying costs and inconvenient large-area agricultural possibility management, and technically provides the realization of precision agriculture. There are currently relatively few mature applications for water-…

Based on the research on Lora communication, the Lora communication data terminal and its data processing method based on circular queue buffering are designed. The data terminal uses the circular queue to buffer the received data, and checks, judges and…

As a bridge connecting the industrial Internet of Things central control system and remote devices, the serial port server plays a self-evident role in the entire communication link. Today, the author will use industrial control solutions as a foothold to…

Composition of serial port server The serial port server is mainly composed of three major modules: the main processor module, the Ethernet interface and control module, and the serial port data processing module. (1) Main processor module The main functions…

The main processor first initializes the network and serial port devices. When data is transmitted from the Ethernet, the processor analyzes the data packets. If it is an ARP packet, the program is transferred to the ARP handler; if it…

With the development of GPRS technology in the field of wireless communications, GPRS modem has become more and more widely used as a PC terminal for GPRS on the Internet. Correspondingly, the use of GPRS modem in single-chip computer systems…

The data transmission module developed by Zongheng Intelligent Control has a variety of network type products, including 4G, GPRS, LoRa, Ethernet, etc. Data collection and transmission system based on wireless transmission module. The data collection terminal collects the temperature and…

Serial server concept In the Internet of Things, everyone must be familiar with the word serial port server. However, the concept of this product is explained clearly on the Internet. There are not many. I happened to see an article…