xxhzz @PortalLab Lab 1. Introduction to MQTT Protocol MQTT is a “lightweight” communication protocol based on the publish/subscribe model, built on the TCP/IP protocol. It is lightweight, open, simple, and designed to be easy to implement, making these features particularly suitable for constrained environments such as machine-to-machine (M2M) and Internet of Things (IoT) environments. Publish/Subscribe … Read more
Author: Free and Open Lake AI What Is MQTT Used For? MQTT is a lightweight messaging protocol typically used for IoT devices that are designed to be energy-efficient and consume minimal bandwidth. The MQTT protocol runs over TCP/IP and is based on a lossless two-way publish-subscribe model, ensuring that MQTT messages are transmitted efficiently and … Read more
MQTT (Message Queuing Telemetry Transport) is a “lightweight” communication protocol based on the publish/subscribe model. This protocol is built on top of the TCP/IP protocol and was released by IBM in 1999. The biggest advantage of MQTT is that it can provide real-time and reliable messaging services for connecting remote devices with very little code … Read more
Purpose of Building Qt Root Filesystem The purpose of building the Buildroot Qt root filesystem is to create a customized filesystem for embedded systems that integrates the Qt libraries and applications. Buildroot is an open-source tool for building embedded Linux systems, providing a simple and flexible way to generate a complete root filesystem image. By … Read more
In actual project development, engineers may need to port some tools or protocols in the file system. So how should we perform the porting operation? We can add package configurations to port new features in the Buildroot of the OK113i-S development board. In this article, I will introduce how to port the MQTT protocol in … Read more
Click the “Embedded Cloud IoT Technology Circle” above to select “Pin Public Account” to view embedded notes at the first time! Recently, I have been studying content related to audio and video development, so hardware selection is very important. Due to chip shortages, to ensure the normal supply chain of future chips, I finally chose … Read more
# 1 | Building Qt with Buildroot for the File System Tool Description Buildroot https://buildroot.org/download.html windows Download buildroot, drag to ubuntu ubuntu18.04 or 20.04 Qt environment setup, Qt Qt5.12.8 [1] Unzip the file kali@ubuntu:~/Desktop/Buildroot$ tar zxvf buildroot-2024.02.tar.gz # 1.1 | Configure Buildroot Enter the buildroot-2024.04 directory. Enter the command below to install the libraries needed … Read more
Initiating topic discussions is a long-standing tradition of the EEWorld forum. This time, we invite senior engineers to talk about MCUs that adopt the RISC-V core. RISC-V, as a rising star, has gained immense popularity in recent years, giving birth to numerous high-quality products with continuously improving performance. However, each chip has its unique strengths, … Read more
The small airplane’s board is designed like this: esp-plane Then I started to lose focus… I sincerely hope some friends can join me to work on this! I lost focus because I wanted to add a current feedback loop in the motor control, so I wanted to measure the current when using a lithium battery … Read more
Click the “Embedded Application Research Institute” above, and select “Top/Star Public Account“ Useful resources delivered to you first! Source: CSDN Author | Rookie Qingqing Organizer | Embedded Application Research Institute Recently, I have been working on the WiFi connection features for an embedded Linux product. I spent a week successfully completing the scanning, connecting, and … Read more