[i=s]This post was last edited by dcexpert on 2019-6-10 20:06[/i]Before the holiday, I drew a version of STLink V2.1. One reason for making this board is that the STlink interface on Nucleo is miniUSB...
"The Achilles' heel of domestic inverters" (reposted) 1. 90% of the effort of domestic inverters lies in imitation, with basically no innovative content. Apart from the low price, there is no special...
We have experience in BSP porting for Linux, WinCE, Windows Mobile 6 on various hardware platforms (S3C2410, S3C2440, S3C6410, EP9315, BF536, BF533, AU1200, MX21, MX31, PXA270, PXA310, Omap750, Omap85...
I use C# to make a simple Web service. The service works fine when tested alone. But when I debug it on ppc, it says that the connection cannot be established. What's the problem? [WebMethod] public D...
The input frequency is 20MHZ, the target frequency is 1700HZ, the frequency division number is not an integer, I don't know the frequency division principle and the VHDL of this divider. Please help m...
Wuhan High Voltage Research Institute National High Voltage Metering Station repeated the accuracy test. The main test equipment and its parameters are: 0.001-level ZLB-1A DC current comparison standa...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]