The WinCE device supports full-speed mode, but not high-speed mode. It is compatible with USB2.0. However, when the device is connected to the PC and enters storage (i.e. the device is used as a USB d...
[size=4]As we all know, it is not easy to learn simulation, and it is even more difficult to learn simulation well. Now, let's start the simulation learning journey with us! Write a reading note to wi...
My machine is Windows XP. I used the USB port to create a virtual serial port and connected a modem. Under normal circumstances, a standard 33600bps modem must be added in the Control Panel->Phone and...
Most of the components are placed on the PCB Toplayer. Is it better to place the ground layer on MidLayer1 and the power layer on Midlayer2? In actual PCB design, is Midlayer1 closer to the Toplayer t...
If you find any spam ads, you can also post them here to expose them. When the administrators and moderators see them, they will deal with them immediately. Some will be deleted directly, and some wil...
[img]http://img13.tianya.cn/photo/2008/6/20/8582001_15343983.jpg[/img] What is the difference between the two circuits in the figure? What I need now is a 10V reference source. The method in the figur...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[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]
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]
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 the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[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]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[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]