January 2025 - Page 48 of 89

Understanding the Role of Module Power Supplies in Circuits

Understanding the Role of Module Power Supplies in Circuits

Advantages of Module Power Supplies, Applications of Module Power Supplies, Installation and Maintenance of Module Power Supplies

1. Overview

The design of today's power supply systems poses significant challenges for electronic designers. They must utilize limited resources and space to design flexible, efficient, reliable, and competitive power supply systems in a short time. Module power supplies (or power modules) are currently the best choice for designers. Replacing discrete component designs with

2025-01-09

Upgraded Matrix Clock Open Source Release!

Time flies, and another year has passed in the blink of an eye. I wonder if everyone still remembers that last year around this time I open-sourced the first matrix WiFi clock. Subsequently, I released a shorter upgraded version as a product in my Taobao store, and many friends purchased it to support me, for which I am very grateful. However, later on, due to a busy work schedule, I had no time to produce it, so I took

2025-01-09

Understanding the Differences Between Linux and RTOS

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Author | arvin

Source | CSDN (ID: CSDNnews)

Do you know which operating system is the most popular in the world? It is Linux! It generally runs on servers and supercomputers, and the millions of servers behind the websites we access daily are likely running Linux. In this article, we will learn what Linux is, where it comes from, commonly used Linux knowledge, and the

2025-01-09

A Comprehensive Guide for Programmers on Cortex-A Series

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This article is authorized to be reprinted from the WeChat public account TrustZone. It mainly shares some knowledge points about Cortex-A processors in the Arm system. The article mainly introduces the architecture of Arm, basic structural units, and the Cortex-A series processors.

Introduction to Arm

Arm processors are ubiquitous.

Mobile phones, personal computers, televisions, or cars. In a total shipment of about 3 billion microprocessors, the x86 architecture occupies a very small position (but still

2025-01-09

Programmable Watch Made with Arduino UNO

MAKER:mblaz／Translated by: Interesting Endless

Regarding watch projects, we have previously introduced a project titled "Arduino + 3D Printing DIY Electronic Watch".

This issue features another programmable watch based on Arduino UNO, which has a higher manufacturing threshold compared to the previous one. At the same time, it is more mature, practical, and has a very stylish design, making it quite beautiful!

Programmable Watch Made with Arduino UNO

2025-01-09

2017 Black Hat Conference Arsenal Tool List

From July 23 to 31, the most popular top information conference in the security circle, the Black Hat Conference (23-28) and the DEFCON Conference (28-31) kicked off in Las Vegas, USA.

Every year at this time, tens of thousands of hackers gather in Las Vegas. Don't think that hackers are gamblers; they are all here for the famous "two conferences" in the security circle. It can be said that they have no interest in gambling skills, but are obsessed with "security

2025-01-09

Using the MQ-2 Smoke Sensor with Arduino

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The MQ series sensors are widely used low-cost sensors, commonly applied in gas leak monitoring devices in homes or factories. This article introduces the use of the MQ-2 smoke sensor from the MQ family, and other MQ sensors operate similarly.

1. Working Principle of MQ Series Sensors

The sensitive material used in MQ series sensors is a highly

2025-01-09

High-Performance Business Laptop: ThinkPad Neo 14 Review

When I hear "ThinkPad", my first impression is of a "black, quiet business laptop".

But this year, the situation has changed as ThinkPad has launched a new model - ThinkPad Neo 14.

This laptop is equipped with an H45 standard pressure processor and an RTX discrete graphics card, combined with a silver chassis, making it more like a "business powerhouse".

This laptop is completely different from traditional business laptops; how does it perform in real tests?

Today, we will analyze it briefly:

ThinkPad Neo 14

2025-01-09

DIY Google AR Glasses Experience

Big Data Digest authorized reprint from Guoke

Author: Xiao Xinjie

Editor: Shen Zhihan

First, you need (maybe more than one) a broken HoloLens

About five or six years ago, a friend lent me a first-generation HoloLens, and the experience is still unforgettable.

HoloLens：

HoloLens is a mixed reality headset developed by Microsoft. The glasses track your movement and gaze, generating appropriate virtual objects projected into your eyes. Because the device knows your position, you can interact with virtual 3D objects

2025-01-09

Raspberry Pi Pico: The $4 MCU Revolution

Today, the Raspberry Pi Foundation launched its first microcontroller-level product: the Raspberry Pi Pico, built on a brand new RP2040 chip, priced at just $4.

If you have used Arduino or some development boards that support MicroPython, you should be familiar with this type of microcontroller product (MCU). The ultra-low power consumption, extremely low I/O latency, low price, and simple control methods make the Raspberry

2025-01-09

Month: January 2025

1. Working Principle of MQ Series Sensors

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