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...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]