First, here are two pictures of the Raspberry Pi I just got.The box looked wrongWhen I opened it, the color was wrongWhen I looked closely, it said "Raspberry Pi" in three big characters. I was powerl...
I want to ask a few questions. 1. Does the 1.5mm of this PCB antenna refer to the red part or the pink part? 2. Can this antenna be extended further, that is, winding it a few more times, because ther...
[size=5]Today I spent the whole afternoon making a matrix keyboard. I am very satisfied with it. And today I made a creation that made me very proud. Everyone, take a look and give some comments. [/si...
[i=s] This post was last edited by paulhyde on 2014-9-15 08:59 [/i] Many primary schools won the first prize with this solution. Unfortunately, I didn’t see it during the competition. Now I want to sh...
Hello, seniors. I made a flyback switching power supply, as shown in the figure. I want the output to be 12V, 100mA. But when testing, the output voltage is 0V, it seems that the NCP1000 is not turned...
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]
We know that the power output by the engine does not directly act on the wheels to drive the car, but needs to pass through a series of power transmission mechanisms. So how is the power transmitte...[Details]
Anyone who has driven a pure electric vehicle will find that it starts much faster than a fuel vehicle. So why do pure electric vehicles start so quickly?
We all know that an engine's to...[Details]
Abstract: This design uses field-effect transistors to create a tube-like audio power amplifier. The preamplifier uses a single Class A transistor, while the power stage utilizes Class AB push-pull...[Details]
STM8S compilation error unable to allocate space for sections/blocks with a total # Welcome to use Markdown editor
I've encountered many strange issues while developing with IAR for STM8, all ...[Details]
1. When the variable frequency motor stops, the heat source is gone, and the radiation and heat conduction functions of the heat dissipation components themselves are sufficient to ensure that the ...[Details]
Oslo, Norway – August 18, 2025 – Nordic Semiconductor ("Nordic"), a leading global provider of low-power wireless technology, announced that it will participate in the International Internet of Thi...[Details]
Embedded System
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