Choose different smart products and solutions based on different spaces, occasions, and users, ensuring user comfort and convenience, is the mission of Kemi. A city, A building, A community, A house type, A living space, All these characteristics will be endowed with a unique style, depth, emotion, color, and atmosphere by a smart home system … Read more
Any project involving wireless connectivity requires careful consideration of the appropriate technology, where protocol interoperability, transmission distance, and connection robustness are critical design decisions from the outset. Below, we will start with classic Bluetooth and low energy Bluetooth to analyze their advantages and disadvantages. We hope this article can help you choose the right wireless … Read more
Do you still remember the button-based “senior phones” by Daming Lake? Back then, it was nothing like today. Nowadays, everyone has a touchscreen phone in their hands. Whether it’s the elderly, children, office workers, or students… Everyone has a smartphone with a touchscreen. We can’t go anywhere without our phones. Why did the old senior … Read more
(Source: Semiconductor Industry Observation) After more than a decade of accumulation, RISC-V has transformed from an emerging force to a backbone of the industry. On one hand, more and more major companies that previously focused solely on other architectures have entered this field and delivered impressive results. For instance, Qualcomm has shipped 650 million RISC-V … Read more
Source: Toutiao Account – Fat Fu’s Little Cabin First, let’s take a look at a video The chip is continuously magnified It resembles a huge city inside With the continuous advancement of chip manufacturing processes, a chip can now contain over 10 billion transistors. How are so many transistors integrated? This is a Top-down View … Read more
Click the above Computer Enthusiasts to follow us In addition to performance, the 12th generation Core platform has a significant upgrade that many may not have noticed: the enhancement of peripheral connectivity capabilities. The versions and quantities of USB and Thunderbolt interfaces have increased, which is not just for connecting mice and keyboards; the biggest … Read more
▼ Follow our public account: Engineer Looks at the Sea ▼ Hello everyone, I am Engineer Looks at the Sea. Some friends have reported a few calculation errors in this article, and in the spirit of rigor, I am correcting them as follows (the parts in red text). The battery charging and discharging circuit is … Read more
【Click the above「blue text」 to follow the DF Maker Community and become a tech enthusiast】 Old friends should know that we have previously recommended many watch-related projects (there is a collection at the end), and the feedback has been quite good. This week we are recommending another BCD watch project. What is BCD? BCD stands … Read more
A good circuit board not only needs to achieve the functionality of the circuit design but also must consider electrical characteristics such as EMI, EMC, ESD (Electrostatic Discharge), and signal integrity. Additionally, mechanical structure and heat dissipation issues for high-power chips must be taken into account. On this basis, the aesthetic aspect of the circuit … Read more
PCB Network City News Today, we share a summary of experiences in PCB process design, hoping to inspire industry colleagues.1 PCB Basic Technology 1.1 PCB Size and Shape The welding processing dimensions of PCB materials are width (200mm～250mm) * length (250mm～300mm).For PCBs with a long edge less than 125mm or a short edge less than … Read more