MQTT Protocol 1.1 Introduction MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol designed for low-bandwidth, high-latency networks. It provides real-time, reliable messaging services for remote devices with minimal code and bandwidth usage. MQTT operates over TCP and is classified as an application layer protocol. 1.2 Message Format A fixed header, a variable header, … Read more
USB Audio Device Diagram In embedded devices such as smart speakers and conference microphones, the USB Audio Class (UAC) protocol plays a critical role. This article will take you deep into understanding this core technology to assist in product development. 1. Core Value of the UAC Protocol The USB Audio Class (UAC) is a device … Read more
Image course, development board –> Taobao store: Wolf FPGA ConsultationWeChat: MyWork666888 QQ group: 543928922 Recently, Wolf published an article on 100G networking titled “FPGA Project: 100G Network Development Sharing”. It is impressive that it can communicate, but the downside is that it only reaches the MAC layer, and the upper network layers are missing. To … Read more
This article is reprinted from the public account: Goose Factory Technology. This article is for academic/technical sharing only. If there is any infringement, please contact us to delete the article. To MCP or not to MCP? After OpenAI announced support for MCP, Google did not hesitate for long. On April 4, Gemini announced the addition … Read more
Communication Knowledge When browsing the internet, have you noticed that some websites have URLs starting with HTTP:// while others start with HTTPS://? HTTP and HTTPS are two protocols used for transmitting information over the internet. Although they serve similar functions, there are significant differences in terms of security and application scenarios. This article will detail … Read more
Author: Free and Open Lake AI What is MQTT Used For? MQTT is a lightweight messaging protocol commonly used for Internet of Things (IoT) devices, designed to be energy-efficient and consume minimal bandwidth. The MQTT protocol operates over TCP/IP and is based on a lossless communication bi-directional publish-subscribe model, ensuring that MQTT messages are delivered … Read more
1. Application Layer The application layer is the first layer of the TCP/IP protocol, directly providing services to application processes. (Data unit: message) It supports the World Wide Web with HTTP, email with SMTP, and file transfer with the FTP protocol. 2. Transport Layer Responsible for providing general data transmission services for communication between processes … Read more
☝ Click on the above “Smartlabs”, and follow us 1. The Shift from Fragmentation to Unification in Smart Home Protocols 1.1 Three Technological Revolutions Reshaping the Industry Landscape The birth of the Zigbee protocol in 2003 was like injecting the first stream of vitality into smart homes. Its low-power characteristics based on the IEEE 802.15.4 … Read more
1. Overview of SPI Communication SPI (Serial Peripheral Interface) is a synchronous serial communication protocol developed by Motorola (now NXP), primarily used for short-distance, high-speed communication between master and slave devices. Its features include full-duplex transmission, master-slave architecture, and no complex protocol layers, making it widely used in embedded devices such as memory (e.g., Flash), … Read more
1. Introduction to SPI SPI, which stands for Serial Peripheral Interface, is a synchronous serial communication protocol originally defined by Motorola for its MC68HCXX series processors. The SPI interface is primarily used for communication between EEPROMs, FLASH memory, real-time clocks, ADCs, as well as digital signal processors and digital signal decoders. SPI is a high-speed, … Read more