The English version is more detailed and the calculation formula is very accurate (I have checked it at multiple points). The Chinese version is a Japanese product promotion introduction, and the calc...
[i=s] This post was last edited by fyaocn on 2015-10-14 14:51 [/i] 1. After getting the board and analyzing the routine, I tested the routine for the digital tube display as follows. Easy, so the foll...
One day when I was chatting in a group, I saw a wonderful article about security prevention written by a netizen. I specially excerpted it and read it in my spare time. In the article, the author used...
I have a WINCE hardware, the CPU is RMI's AU1200, the FLASH is S29GL256N, and the RAM is DDRII 128M. I accidentally deleted YAMON when I used YAMON to burn AUTOBOOT, and now the whole system is hangin...
Computer Control Devices ZJU Guangxin Zhang : https://training.eeworld.com.cn/course/4858This series introduces the overview of computer control, programmable controllers, CP1H series PLC, SIMATIC S7-...
I found a USB cable for the emergency lamp and changed it to a USB-powered small desk lamp, so that I can use it every day. The charging part was previously made with a MAXIM chip, which can only char...
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]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[Details]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
1. Static Balance
Static balancing is performed on one correction surface of the rotor. The remaining unbalance after correction is used to ensure that the rotor is within the specified range ...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]
The term "remote meter reading" literally emphasizes remoteness. But how far is remote? One kilometer? Two kilometers? Those aren't considered far at all. Currently, the longest distance for ...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
Test/Measurement
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