Dear forum friends, there is a need to generate a 1us high-level TTL periodic signal recently. The microcontroller can achieve this 1uS high-level excitation, but I am worried about what problems will...
Original article by Mr. GaosuThe Tg test of copper clad laminates generally uses differential scanning calorimeter (DSC: DIFferential Scanning Calorimeter Mechanical Analysis), thermal mechanical anal...
When I heard from my senior that I could apply for a chip for free on TI, I felt a little bit unconvinced: How could they send you a chip for free without paying for the postage? But my senior did rec...
[align=left] I read the news this morning and heard that most of the mobile phone manufacturers such as Samsung Electronics, LG, and Huawei are impatient to wait for Qualcomm's new AP, and plan to equ...
The code without errors is as follows: [code] LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; ENTITY FEN2 IS PORT( MUX5_IN:IN STD_LOGIC_VECTOR(7 DOWNTO 0); LED_B,WB: IN STD_LOGIC; OUT_MUX3,OUT_PUT:OUT STD_...
First of all, I would like to thank Qinheng and eeworld for giving me the opportunity to try and evaluate. I have known CH341 before using domestic Arduino, which has reduced the price of domestic Ard...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
PCB Design
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