Tonight, I used Tektronix VM6000 oscilloscope (1GHz bandwidth) to compare with Puyuan DS1052E oscilloscope (50MHz bandwidth) in the company to test the bandwidth. The signal source used was Agilent 33...
Can anyone give an example of file mapping: This is the code in process 1: //Create file HANDLE hfile = CreateFileForMapping( TEXT("\\Map.dat"), GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, CR...
The voltage I want to use is 18v, and I need to use a single-chip microcomputer to control the on and off of 18v. The single-chip microcomputer works at 5v, and the IO port outputs high and low are al...
Special topic: Maychang teacher's interesting video lecture on the history of electronic technology : https://training.eeworld.com.cn/course/4279Boiling the History of Technology ~ Storyteller-like hu...
[size=4] [/size][font=宋体][color=#000000] [/color][/font] [align=left][size=3][color=#000000]Speaking of transistors, I wonder what the first thing that comes to your mind is, the concept of transistor...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[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]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
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]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[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]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Analog electronics
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