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…
Serial server workflow
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…
gprs module
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…
Modulo di trasferimento dati
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…
Concetto di server seriale
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…
Applicazione server seriale
Serial networking server products provide solutions for accessing industrial equipment directly through the network. Traditional serial devices can thus be converted into Ethernet devices that can be monitored and controlled from a LAN or even the Internet. XUNWEI’s serial port…
Serial communication and parallel communication
Explanation of serial communication and parallel communication Serial communication: data bits are sent one data bit after another, and the data bits represent 0 or 1 Parallel communication: sending 8 data bits at a time, which is one byte, Comparison…
ASCII code
ASCII: American Standard Code for Information Interchange American Standard Code for Information Interchange: A computer coding system based on the letter J; Mainly used to display modern English and other Western European languages; The most common single-byte encoding system today;…
Synchronous communication and asynchronous communication
Synchronous serial communication: During synchronous communication, direct control of the sender’s clock to the receiver’s clock must be established so that both parties can achieve complete synchronization; Characteristics of asynchronous communication: It does not require strict consistency of the clocks…
Che cos'è un microcontrollore
Some readers have never been exposed to a microcontroller and have a vague concept of what a microcontroller is. In this issue, we have specially launched this introductory article to let you know what a microcontroller is like and what…