I am currently working on a project using the 32f103 series, and it is already running. However, a problem occurred during the operation. Specifically, there is a compressor on the periphery, and the ...
[i=s] This post was last edited by longhaozheng on 2015-7-26 01:05 [/i] In order to make it easier for novices to get started, the 2013 plan was modified. I just adjusted it today. The gain control wa...
[font=Tahoma,]With the increasing penetration of the Internet in people's lives, China's Internet speed has always been a concern of the industry. Broadband China and fiber-to-home strategies once gav...
I converted the CString string into char* under wince. I tried many methods on the Internet but failed. The following is what I compiled and passed, but the result is wrong! CEdit *pEdit1 = (CEdit*)Ge...
My understanding is that the conduction process of the triode goes through the cut-off region-amplification region-saturation region. Why is the image in the book cut-off region-saturation region-ampl...
The most common method for pipeline bubble detection is to use ultrasound. The piezoelectric ceramic vibrator on one side is controlled to emit high-frequency ultrasonic oscillations, which oscillate ...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[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]
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]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]