I'm currently studying IEEE1588 clock synchronization and implementing it on lm3s8962. I'm a newbie and don't understand a lot of things. I hope someone can help me study this.Oh, upload some informat...
[i=s]This post was last edited by xiaozhuang on 2019-2-11 12:52[/i] [align=left]I am from Chaoshan, Guangdong Province. Now I would like to take this opportunity to introduce the Yingge dance of my ho...
The laptop has no serial port. I tried several USB download programs but none of them worked. I can't see the COM port in the device manager. I can't select the COM port when I use STC to download pro...
1. The scope of statistical evaluation of relay protection operation of power system is: 1..1 Generators, phase regulators, transformers, busbars, reactors, motors, capacitors, lines (including cables...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:16 [/i] :) :) :) Typical control scheme design of phase-locked loop, hehe [[i] This post was last edited by xiaoxiaoha on 2009-8-17 15:55 [/...
The ECG acquisition board I drew has no problem with simulation, but the waveform is not right at all. Because I don't have an oscilloscope, I can only use a computer. ont][/size][/color][color=#33333...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[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]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]