This article introduces how to complete a face detection project on Raspberry Pi using OpenCV and Python. The project not only describes the specific steps required to identify faces but also provides a lot of extended knowledge. Furthermore, this project does not require readers to have a detailed understanding of face recognition theory, making it … Read more
Don’t want to miss my updates? Remember to click on the top right corner to view the official account and set it as a star. Please take off a star for me. Measure water level, temperature and humidity, video monitoring, control lighting switches, all with one app! The video above demonstrates an automatic irrigation system … Read more
Arduino, as a convenient, flexible, and easy-to-use open-source electronic prototyping platform, is popular among various groups of people. We will launch a series of Arduino learning posts to help you quickly master this increasingly popular microcontroller. Our “Getting Started with Arduino” will guide everyone to understand Arduino, starting with the simplest “Hello World!” program, helping … Read more
1. Starting the WatchDog The WatchDog is created and started in the startBootstrapServices() method of the SystemServer process. //[frameworks/base/services/java/com/android/server/SystemServer.java]public final class SystemServer implements Dumpable { private void startBootstrapServices(@NonNull TimingsTraceAndSlog t) { t.traceBegin("startBootstrapServices"); // Start the watchdog as early as possible so we can crash the system server // if we deadlock during early boot t.traceBegin("StartWatchdog"); … Read more
Hot Article Introduction | Click the title to read Welcome to join the Java and Android architecture knowledge community Senior Wireless Development Expert from Alibaba Shares Career Development Advice for Programmers Advanced Secrets of Architecture Interviews: Recommended Excellent Articles from May Author: hamberluo Link: https://juejin.im/post/5af296226fb9a07a9a10d6f1 Are Android Engineers Really Commonplace Now? At Google I/O, a … Read more
The editor’s note from IT Home: The Pen Review Room, as an established review media, has always been a must-read public account for IT Home editors to learn about notebook-related knowledge. In the new media era, Zhu Wang’s reviews of notebooks remain humorous and objective, and his Bilibili videos are full of fun and entertainment, … Read more
Project Name: PCB Electronic Instrument Project Author: Modified Workshop Director Introduction Before we look at today’s open-source recommendation, let’s understand what a Stylophone is. Stylophone is an electronic instrument. It was all the rage in the 1970s. In fact, its creation was a coincidence; an enthusiast came up with the idea while repairing a toy … Read more
Introduction to mr-library mr-library is a lightweight framework for embedded systems that provides a unified low-level driver device model and basic service functions. It features modular design, configurability, and extensibility, helping developers quickly build embedded applications. The mr-library framework supports basic kernel functions such as mutexes and object management. It integrates asynchronous event-driven frameworks (events), … Read more
Remember at the beginning of 2020, Apple updated the MacBook Air, bringing back the scissor-switch keyboard. I was so excited that I bought a low-spec i3 version, which I have been using ever since. In the same year, the M1 version of the MacBook Air was released. It has no fan, yet it achieves lower … Read more
Total: 1234 words, 38 images,Estimated reading time: 2 minutes Previously, OpenWrt was deployed on VMware Workstation (Deploying the latest version of OpenWrt 23.05.3 on VMware Workstation). If you want to deploy OpenWrt directly on ESXi, you will find that the conversion of the image cannot directly generate OVF or OVA files, and ESXi also has … Read more