When Linux systems such as Ubuntu and OpenEuler fail to boot, and you see warnings like “BusyBox….” or “Entering emergency mode”, don’t panic. This usually indicates that there is an inconsistency in the file system that the system cannot automatically repair, requiring manual intervention. The error message is shown in the image below: This type … Read more
What is picolibc? What can it do? If you often engage in embedded development, you might encounter a common problem—libraries are too large, and memory is limited, making it impossible to fit everything. Or perhaps you want a lighter, faster C library to save precious space? That’s where picolibc comes in! It is an ultra-lightweight … Read more
In the 2018 film “Avengers: Infinity War”, superheroes struggle against the villain Thanos to save the universe. As they rack their brains to find a way to defeat Thanos, Doctor Strange mentions his time travel: “I walked ahead in time and saw different futures, saw all the possible outcomes of the impending conflict.” He glimpsed … Read more
★ Embedded AI Series – Converting YOLOv3 Model Using RKNN Toolkit ” 1 Introduction Since my development work is primarily focused on AI applications in machine vision, the commonly used model is the YOLO model. Therefore, I will demonstrate the conversion of the YOLOv3 model using the example code from the RKNN toolkit in the … Read more
Intelligent IoT Perception and Testing Affiliated College: School of Mechanical and Electrical Engineering 01 Project Overview (1) Project Background The new generation of information technology is the main battlefield for major countries at this stage. It is imperative to accelerate the integration of new generation information technology with manufacturing and strengthen the penetration of new … Read more
In addition to its powerful serial communication interfaces (UART, SPI, I²C, I²S) and wireless connectivity (Wi-Fi, Bluetooth), the ESP32 integrates many special function interfaces and peripherals, making it excel in scenarios such as IoT, sensor nodes, human-computer interaction, and motor control. Here are some key special function interfaces of the ESP32: 1. Analog-to-Digital Converter (ADC) … Read more
Have you ever dreamed of having a compact device capable of real-time image recognition? Now, with the help of ESP32-Cam and Edge Impulse, that dream is no longer out of reach! This article will take you deep into how to utilize these two powerful tools to build your own edge AI image recognition system on … Read more
Dual-core computing power + tri-mode connectivity + hardware encryption, addressing four major industry pain points to create high-barrier IoT solutions. 1. Industry Pain Points and Espressif Solutions: Directly Addressing Needs, Precisely Breaking Through 1. Smart Home: Fragmented Ecosystem and Security Shortcomings – Pain Point: Difficulty in cross-platform device interconnectivity, high voice response latency; weak security … Read more
Introduction The ESP32 is a powerful microcontroller with Wi-Fi and Bluetooth capabilities, widely used in IoT and embedded systems. Within the ESP32 ecosystem, the MJPEG multi-client streaming server is a significant feature that meets the demand for multiple clients to access video streams simultaneously. This article will introduce the ESP32 MJPEG multi-client streaming server based … Read more
The actual operating environment is based on Synology DSM 7.1-42661 Update 1 version system.Using its built-in Docker package (version 20.10.3-1306) for deployment. 2. SSH functionality needs to be enabled in the Synology system’s terminal. 3. Use SSH to log into the Synology system, then execute the following commands in sequence to prepare the network environment: … Read more