I have a question. In theory, it is enough to add terminal resistors at the beginning and end of the transmission line. But in actual operation, why do we need to add two terminal resistors at the beg...
I'm working on the wince usb function driver recently. In /WINCE600/PUBLIC/.../DRIVER/usbfn is the code for the usb function driver. There is a folder called controllerer, which is the source code for...
[font=黑体]My IC's logo is gone. I only know the definition of a few pins, such as VCC-4 pin, GND-26 pin, and the package is QFN33 4mm*4mm[/font] [font=黑体]Can anyone tell me the approximate model? [/fon...
SAR ADC Internal StructureThe ADC built into the STM32 microcontroller uses the SAR (Successive Approximation) principle to perform the conversion in multiple steps. The number of conversion steps is ...
I am using IAR Embedded Workbench v5.11. Note that it is v5.11. The board is ADuC7026. There is no problem with program compilation and linking, but it always fails when debugging. The prompt is: unab...
There are people posting everywhere. Why do you have to hang it on a tree? There are people posting everywhere. Why do you have to hang it on a tree? There are people posting everywhere. Why do you ha...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[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]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[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]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[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]
PCB Design
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