Many students who are new to embedded systems feel intimidated when they hear the term “driver engineer”: “Do I need to understand low-level assembly? Do I need to solder circuit boards? It seems 10 times harder than writing applications!” In fact, being a driver engineer is not as “unreachable” as it seems; it is essentially … Read more
☝Click the blue text above to follow me. I hope the suggestions at the end of the article will be helpful to you. Last night, I was almost driven to madness by PC communication; it was really overwhelming.How should I put it? The program logic I wrote was quite straightforward, but when it came to … Read more
In the context of the Internet of Things (IoT), the choice between TCP and UDP depends on the specific application requirements for reliability, latency, bandwidth, and device resources. Below is a detailed analysis of typical application scenarios, advantages and disadvantages, and selection recommendations for both protocols in IoT: 1. Application Scenarios of TCP in IoT … Read more
Overview of the HTTP Protocol OSI Model Open Systems Interconnection Model (English: OpenSystemsInterconnection Model, abbreviated as OSI; commonly referred to as OSI Model) is a conceptual model proposed by the International Organization for Standardization, which attempts to create a standard framework for interconnecting various computers into a network worldwide. It is defined in ISO/IEC 7498-1. … Read more
The above ☝️☝️☝️ is about a food-related public account, where each recipe has detailed steps and high-definition images, making it easy for kitchen novices to get started. Follow it to unlock more deliciousness and keep your meals surprising throughout the seasons! 1. Basic Concepts of MQTT Protocol (1) Origin of MQTT Protocol: The MQTT protocol … Read more
SD The SD card (secure digital card) is a low-cost, non-volatile storage card format developed by the SD Card Association (compared to RAM, data on an SD card is not lost when power is off); With the rapid development of electronic technology in this century, the demand for such medium-sized, energy-efficient, and space-saving storage devices … Read more
1. What is MODBUS?1. Basic Concept MODBUS is a soft communication protocol first advocated by MODICON (now a brand of Schneider Electric), which has gradually been recognized as a standard communication protocol through practical applications by most companies. As long as data communication or transmission follows this protocol, different systems can communicate with each other. … Read more
This introductory article is used for internal team training and has been publicly released after some content has been omitted. Author: twowinter. Please credit the author when reproducing this article. This article is a popular science introduction to LoRaWAN. You have seen countless superficial LoRaWAN articles in your social circles, and it’s time to dive … Read more
Note: This article is reproduced from twowinter’s learning station. This article is a popular science introduction to LoRaWAN. You may have seen countless superficial articles about LoRaWAN in your social circles, but it’s time for some real technical insights. We will first horizontally introduce the forces behind LoRaWAN and its network deployment, then vertically explain … Read more
Click the above blue text to follow the Network Technology Platform When a user issues a command using the TCP/IP application layer protocol, a series of events is triggered. The user’s command or message is sent through the TCP/IP stack on the local machine and then reaches the receiving protocol over the network medium. Each … Read more