01 About the Three Musketeers of Linux grep: Filters keyword information data. Mainly used to search for data within text. sed: Edits text data and modifies the original file content. awk: Filters and extracts data from files, and can format the output. awk can also present the processed data in a more visually appealing way. … Read more
Introduction What are bad sectors? They refer to areas on a disk drive or flash memory that cannot be read or written to, usually due to permanent physical damage on the disk surface or failure of flash memory transistors. If the number of bad sectors increases, it can severely impact the performance of the storage … Read more
The event is in progress, and the speaker has embarked on a journey of knowledge, from the origin story of Linux to its development history, delving into system architecture analysis, interspersed with practical demonstrations. Everyone is closely watching the operation steps on the screen, quickly taking photos to record key content. When explaining command line … Read more
If you are building a smart home, you may feel confused: Zigbee, Z-Wave, or Thread? The answer is actually quite simple—if in doubt, choose Matter. Building a smart home requires learning a lot of new terminology, which can understandably be daunting. How do people differentiate between terms like Zigbee, Z-Wave, and Thread? Fortunately, this is … Read more
During the May Day holiday, a friend borrowed my car for a few days, and I accidentally left a little gadget in the car. It was left in a corner of my car. I checked it out, and this thing is calledM0, a portable speaker from the well-known audio manufacturer Edifier, priced at less than70 … Read more
DIY Speaker Soldering Path Hands-on Skills Logical Thinking What We Are Doing By using a soldering pen, solder wire, and various components we perform soldering on the integrated circuit board to complete the circuit connections and check the circuit continuity using crocodile clips with positive and negative terminals Life is a Challenge Continuously trying new … Read more
As a professional headphone blogger, I often receive messages asking how to choose open headphones. The variety of open headphones available in the market can be overwhelming. Below, I will share some tips for beginners on selecting open headphones. Of course, for those who prefer not to think too much, I will also recommend a … Read more
It’s Frustrating When the Volume Can’t Be Adjusted After Connecting a Laptop to Bluetooth Speakers! Have you ever had this frustrating experience: after finally connecting your laptop to Bluetooth speakers, you eagerly want to listen to some music to relax, only to find that the volume is either so low it sounds like a mosquito … Read more
🔥 “The Truth About the Charging Port of Bluetooth Headphones: Did You Know?” ❗Case Study: Xiao Zhang has been feeling quite frustrated lately 😡. The Bluetooth headphones he bought had a problem with the charging port shortly after he started using them. What was once a perfectly functioning pair of headphones has now become useless, … Read more
Bluetooth® is a wireless technology standard for short-range data exchange between fixed devices, mobile devices, and personal area networks (using UHF radio waves in the 2.4–2.485 GHz ISM band).Bluetooth technology actually has multiple “categories”, which are different versions of the core specifications. The most common are Bluetooth BR/EDR (Basic Rate/Enhanced Data Rate) and Bluetooth Low … Read more