I bought two sets of Wenting circuit boards for 2800 yuan. After the goods arrived, I found that the performance did not match, so I sold them and did not use them. Contains: 1. EVM board 2. USB cable...
I see a lot of people using GPRS modules in this forum, so I want to investigate what modules everyone is using and what applications they are using, so as to give some reference to newcomers....
[i=s]This post was last edited by DDZZ669 on 2021-2-14 23:30[/i] Encoder is a sensor used to measure mechanical rotation or displacement. It can measure information such as the displacement position o...
USB-based oscilloscopes have been around for so many years, but there has been little development. Is it because they are small, unprofitable and have no future for development?...
2012 Cadence PCB 16.5 Special Online Training (August-October) ———— Hosted by: Cadence Agent - Ketong Group In 2010, Ketong became the largest value-added agent of Cadence in China. Ketong is also the...
[b]Opportunities and Challenges: [/b][list][*]LED backlight in 2010 aims to reduce costs[/list]Market data: [list][*][b]Manufacturers are trying to replace the current mainstream 3020 low-power specif...
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[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]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[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]
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]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
In recent years, the development of automotive batteries has become a focus of attention. Compared with other rechargeable batteries, lithium-ion batteries have the advantages of high specific ene...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
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