[color=black]Forward a simple emergency light circuit and introductionHere is a simple emergency light circuit, which uses a 12V power supply from an ordinary battery. After passing through an inverte...
Hello everyone,Is there anyone who makes oscilloscopes or spectrum analyzers? Could you please tell me the EMC test levels for these two types of equipment or tell me the relevant standards? I would b...
Recently I changed the USB communication code of 2410 to 2440, and a CHECKSUM error occurred. Then I changed the frequency division of the original 2440 and the same problem occurred. I changed the fr...
[font=微软雅黑][size=4][color=#ff0000][b]Thanks to EE and ST for their activities![/b][/color][/size][size=3]STM32L452 is another ultra-low power MCU following[/size][color=#656565][size=3]STM32L476, whil...
There is an error in Chapter 9 of "Crystal Circuit Design" by Masaomi Suzuki>> I personally think that the voltage drop of 4.5V on R4 in 9.3.4 (P176) of Chapter 9 of "Crystal Circuit Design" by Masaom...
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
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
Some experience we have accumulated when debugging a system using Keil C
1. Since Keil C does not support Chinese very well, the displayed cursor will be inconsistent with the actual cursor positi...[Details]
Introduction
With the development of economic level, people's demand for cars is increasing. While cars bring great convenience to our travel, they also pose challenges to the health of d...[Details]
LED headlight
Refers to car headlights that use white LEDs. Toyota's top-of-the-line hybrid car, the Lexus LS600h, released on May 17, 2007, was equipped with white light-e...[Details]