Using a Multimeter: Tips and Tricks!

Using a Multimeter: Tips and Tricks!

Correctly using a multimeter not only allows for quick identification of faults but also prevents damage to electrical devices and the multimeter itself. Below are some tips for using a multimeter.Before measuring, check the range; do not measure without checking the range. After measuring, switch to the empty range. The dial should be level, and … Read more

OptFuture | Modal Analysis of Circuit Board Assemblies

OptFuture | Modal Analysis of Circuit Board Assemblies

Introduction Modal analysis serves as the foundation for linear dynamic analysis, and the accuracy of its results determines the precision of subsequent transient dynamic calculations. On the other hand, conducting modal analysis of a system helps to understand its overall dynamic characteristics and guides structural dynamics modifications and re-analysis. This case study utilizes foreign commercial … Read more

The Circuit Board Hides a Love Code: An Old Radio’s Midnight Confession

The Circuit Board Hides a Love Code: An Old Radio's Midnight Confession

In a quiet little town, there lived a physics professor who loved music. He owned an old radio, which was his beloved companion during his youth, accompanying him through countless days and nights. This radio seemed to bear witness to the love between him and his wife, with every subtle sound carrying their shared memories. … Read more

Direct Supply of Home Rechargeable Hair Dryer Circuit Board PCBA Development Solution

Direct Supply of Home Rechargeable Hair Dryer Circuit Board PCBA Development Solution

Direct Supply of Home Rechargeable Hair Dryer Circuit Board PCBA Development Solution: 1. Powered by a single lithium battery 2. USB charging 3. Low battery warning function 4. Three-speed wind speed adjustment 5. Boost circuit to power the fan motor, providing strong airflow AI voice intelligent control board circuit board development for interactive intelligent AI … Read more

Focusing on March 28: Dajin Electronics – Turning Small Circuit Boards into Big Data

Focusing on March 28: Dajin Electronics - Turning Small Circuit Boards into Big Data

For those born in the 80s and 90s, seeing traditional electronic products like cartridge game consoles inevitably brings back memories of fun childhood games. The green ink-covered circuit boards are essential core components in traditional electronic devices and products. Since 1988, there has been a circuit board company in Sanjiao that has witnessed the rise … Read more

Military-Grade Circuit Board Design: EMC/EMI is Core, Fundamental Theory is Key

Military-Grade Circuit Board Design: EMC/EMI is Core, Fundamental Theory is Key

An electronic engineer asked a senior in the military industry: “I heard that military-grade circuit boards are the most difficult, is that true?” To his surprise, the military expert replied: “Actually, it’s not that difficult; the key is to get EMC and EMI right.” This left the questioner astonished—”Isn’t it difficult to get EMC and … Read more

Is Cobalt Radiation in Circuit Boards Lethal?

Is Cobalt Radiation in Circuit Boards Lethal?

The following is a bilingual translation text based on the safety analysis of cobalt radiation in circuit boards provided by users, strictly formatted sentence by sentence, preserving professional terminology and data format: ⚙️ I. Forms and Safety of Cobalt in Circuit Boards 1. Forms of Cobalt – Cobalt in circuit boards is primarily metallic cobalt … Read more

Accelerating Global AI Computing Power: The Billion-Dollar Opportunities Hidden in Circuit Boards – A Comprehensive Analysis of Guanghe Technology

Accelerating Global AI Computing Power: The Billion-Dollar Opportunities Hidden in Circuit Boards - A Comprehensive Analysis of Guanghe Technology

In 2024,the AI large model drives an explosion in the server market, benefiting not only NVIDIA and Inspur, but also high-end circuit board companies that serve as the “neural hubs” for servers, are quietly entering a spotlight moment. Today, we will deeply explore Guanghe Technology (001389), which has a small market value but excellent fundamentals. … Read more

Shenjiang Intelligent: The Business Logic Behind a Circuit Board

Shenjiang Intelligent: The Business Logic Behind a Circuit Board

Introduction Since 2020, Anji has held annual city promotion conferences in Shanghai to promote the city brand and attract investment, signing a large number of quality projects at these events. On the eve of this year’s Shanghai city promotion conference, Anji announced that it would select a batch of projects and companies that have signed … Read more