Today is the first day of the Chinese New Year, I wish you all a happy new year! ! Happy New Year to all netizens! [size=16px]I wish you all:[/size] [size=16px]a rising fortune,[/size] [size=16px]full...
[i=s] This post was last edited by Qinheng USB MCU on 2018-4-2 17:32 [/i] 1. The CH554 series supports USB and serial port download programs. 2. When using USB download, you must pull UD+ high before ...
In the book on digital electronics, it is said that when using transistors as switches, as long as Ib>Ibs (saturated base current), the transistor can work in the deep saturation region. So how should...
Does anyone have the source code of "A novel intelligent water level controller with perfect functions" from Radio Magazine, Issue 2, 2008? I downloaded an article from CNKI. The program I wrote did n...
In the figure below, why does this negative voltage output circuit not work?
Vin=24V, the design requires output -12V,the problem now is that after power on, it can output -12V occasionally, but somet...
I am going to participate in the Altera Asia Innovation Contest soon. Can you recommend a topic for me? It's about SOPC FPGA. The board is Alterra DE1/2. I'm begging for help! Thanks, everyone. This i...
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
Previously used primarily in high-power power supplies and large industrial and consumer power supplies, supercapacitors are now finding their way into products of all sizes, especially portable de...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
First, the choice of charging location. Wireless charging technology is related to the distance and state of the charger and the charged device. That is to say, the distance between the two cannot...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
Different places have accumulated certain experience in equalizing charging of battery packs, but it is difficult to master it properly. Long-term non-equalizing charging or frequent equalizing cha...[Details]
PIC microcontrollers are becoming increasingly popular in China. This article introduces some experiences and techniques in software and hardware design during the development of Microchip PIC seri...[Details]
1. Introduction
The human balance ability is the basis for people to carry out various sports. People need balance ability to stand, sit, lie down, and walk. Once a person's balance ability is...[Details]
With the development of microelectronics and computer technology, as well as the increasing maturity of data acquisition and processing technology, including the large-scale use of various sensors suc...[Details]