I'm a newbie looking for the solution to Problem A of the 2013 National Competition. I'm preparing to do Problem A of 2013 and would like to get some relevant information. Thank you very much....
[color=#2346][font=Arial, Helvetica, sans-serif][size=12px]According to a recent report by the British Daily Mail, a new Spanish study shows that LED energy-saving lamps may cause damage to people's e...
[b][size=4]The microcontroller I chose is the enhanced C51 series 80C552 microcontroller. I want to use its built-in PWM to generate square wave signal pulses. What circuits should be involved? It wou...
load1 0x00000000 { run1 0x00000000 { ******** } } load2 0x00000800 { run2 0x30000000 { ******** } } I defined 2 load regions, starting from 0 and 2048 respectively. The run address of region 1 is 0x00...
Question: I need to connect the 9B96 development board to the computer via USB, and it will appear as a large-capacity storage device in the computer (although it only has a few hundred KB capacity). ...
[i=s]This post was last edited by qdsantian on 2015-2-27 17:10[/i] [img=500,256]http://bbs.cmiw.cn/data/attachment/forum/201502/13/191252z7s0pm6zp7maea37.jpg[/img] The problem is solved, thank you eve...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[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]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[Details]