Author: MobMsg, a senior full-stack engineer and partner at the architect community! TCP/IP Protocol Family The core protocol of the Internet is TCP/IP, which is widely used in both local and wide area networks and has a development history of over 20 years, making it the current international standard. TCP/IP is a protocol family that … Read more
Preface Network Protocols When we connect to the internet using our mobile phones, we use many network protocols. Starting from connecting the phone to WiFi, the 802.11 (i.e., WLAN) protocol is used to access the network; the phone automatically obtains network configuration using the DHCP protocol, and only after obtaining the configuration can the phone … Read more
Author: Ruheng Source: Juejin 1. TCP/IP Model The TCP/IP protocol model (Transmission Control Protocol/Internet Protocol) includes a set of network protocols that form the foundation of the Internet; it is the core protocol of the Internet. The TCP/IP reference model divides the protocols into four layers: the Link Layer, Network Layer, Transport Layer, and Application … Read more
Bluetooth is a radio technology that supports short-distance communication between devices (generally within 10m). Over the past few years, we have become familiar with it, as it has become an indispensable module in digital products. The emergence of Bluetooth technology has freed us from the constraints of numerous data cables when connecting various devices, such … Read more
In the previous introduction, we discussed aerospace data bus technology and noted that FC bus technology is considered one of the main data buses for the future development of aviation buses due to its high-speed data transmission characteristics, high reliability, and strong scalability. Therefore, in the upcoming articles, we will provide detailed introductions on aspects … Read more
1 FlexRay Bus Introduction 1.1 FlexRay Generation and Development As the number of functions enhancing safety and comfort in cars continues to increase, the number of sensors, transmission devices, and Electronic Control Units (ECUs) required to implement these functions is also on the rise. Today, high-end cars have more than 100 ECUs, and without adopting … Read more
Click the above “Mechanical and Electronic Engineering Technology” to follow us A bus, known in English as “BUS”, is very much like a public bus. For instance, the route of a public bus is fixed, and anyone can take the bus to any stop along that route. If we compare people to electronic signals, this … Read more
Search on WeChat Technical Training In engineering, the RS485 control line is often mentioned. What exactly is it? Today, I will discuss the applications related to RS485. By understanding RS485 in depth, you will find that there is indeed a lot of knowledge within it. We will choose some common issues considered in weak electricity … Read more
With the booming development of automotive electronics and industrial automation, the number of devices and data volume on the CAN bus has greatly increased, posing significant challenges to the CAN bus. To meet the higher bandwidth and data throughput requirements, CAN FD (CAN with Flexible Data-Rate) was born. So what exactly are the differences between … Read more
Click on the blue text Follow us Working Principle When a node (station) on the CAN bus sends data, it broadcasts it in the form of a message to all nodes on the network. For each node, regardless of whether the data is intended for itself, it still receives it. The first 11 bits of … Read more