Common Website Vulnerabilities and How to Fix Them
Web development opens the door to creating awesome tools, websites, and personal projects! However, it can be a bit overwhelming trying to figure out how to keep your site secure while building it.
The word "semiconductor" is a strong buzzword. They drive the stock market, enable all of our electronics and systems, and essentially hold up the world.
常见的电源的种类与设计的注意事项
发布日期:2026-05-05
电源作为各类电子系统的核心,其性能与设计质量直接影响整体设备的稳定性与可靠性。随着应用场景的多元化,电源的种类也呈现丰富的发展,例如AC/DC开关电源、DC/DC转换器、DC/AC逆变器以及AC/AC转换器等。在电源设计过程中,除了要根据实际应用选择合适的拓扑结构与元器件外,还必须充分考虑散热设计、电磁兼容性等要素,才能实现符合应用需求的电源解决方案。
四种TL431常用电路的设计技巧
发布日期:2026-04-20
TL431是一款常用的可调式精密参考电压源/可编程齐纳二极管,被广泛应用于电源设计中。它的主要功能是担任精密参考电压源,内部提供2.495V(典型值)的参考电压,具有高稳定性与低温漂特性,也可作为可调式齐纳二极管,可通过外部电阻分压设定输出电压,可调整范围约为2.5V~36V。
Sound Generation and Musical Microcontrollers
Explore audio output options, including piezos, speakers, DACs, and playback boards for creating music and sound effects in microcontroller projects.
电源电路的设计实例与关键技术指标
发布日期:2026-04-08
电源是所有电子产品的核心基础元器件之一,它的主要功能是将外部输入的能源(如交流电、直流电或电池储能)转换为电子系统所需的稳定电压与电流。稳定而高效的电源设计,不仅能确保系统的正常运作,还能提升整体性能与可靠性,并延长产品寿命,电源技术的演进,往往也是推动电子产品性能突破与应用创新的关键。
Docker Part 1: Fixing “It Works on My Machine"
In this post, I want to explain what Docker is, why it helps with these problems, and give a practical understanding of how it fits into development workflows.
Measuring the Speed of Sound Using an Ultrasonic Sensor and Oscilloscope
In this blog, I will walk through a simple experiment that uses an ultrasonic sensor and oscilloscope to measure how fast sound travels through the air.
Power Distribution Boards: Smart Alternative to Relays
This blog will talk about the core concepts and the theory behind the circuit schematic and how it was approached.
Solder Smarter Using DigiKey Standard Helping Hands
Explore DigiKey Helping Hands features including magnetic PCB pillars, flexible arms, LED magnifier, and a heavy steel base for stable soldering.
利用运算放大器实现可调线性稳压电源与信号产生器
发布日期:2026-03-16
运算放大器是一种高增益的电子元器件,主要用来放大电压信号。它是一种差动放大器,输出取决于两个输入端之间的电压差。运算放大器的常见电路包括反相放大器与同相放大器,利用运算放大器的特性,可以用来实现可调线性稳压电源与信号产生器。
常见的手工焊接工具与实用技巧分享
发布日期:2026-03-12
焊接是进行电子电路DIY时经常需要进行的工作,其工作原理是通过加热使锡焊料熔化,将电子器件与电路板导电铜箔牢固结合,形成机械固定与电气导通的过程。常用的工具包含烙铁、热风枪、吸锡器与焊锡丝,而辅助工具如助焊剂、固定架、防静电设备则帮助提升焊接质量与安全性。
Electronics Teardowns and Recycling
A beginner-friendly guide to disassembling electronics, salvaging parts, and disposing of e-waste responsibly.
I’m Reviving the Openwheel Project!
Follow the revival of an open-source self-balancing skateboard with upgraded motor, VESC controller, and improved design.
TE Connectivity 旗下 Potter and Brumfield (P&B) 继电器
TE Connectivity 的继电器广泛应用于暖通空调和制冷、家电、工业自动化、汽车和运输以及安防和门禁控制等领域。

