Australia has taken the lead in banning the use of incandescent lamps, which has opened the prelude to the large-scale popularization of LED lamps. In addition, as EU countries, Japan, Canada and othe...
As shown in the figure below: ZJ8V voltage is 8V, VSTAND voltage should be 5V, but the actual voltage is 2.96V. When R113 is removed and R112 is short-circuited, the voltage is 2.5V, which is normal....
I bought a 3.5-inch tft LCD screen on Taobao. The main control of the screen is ili9481. Now it has been put aside for a long time. The program is burned into it with the emulator. It works normally! ...
==S 投票==E 投票
S 文章(这部分加style只是为了看效果,基本上表现都受编辑器设置控制)RC charging calculation method
Reprinted from: http://hi.baidu.com/cumtsun/blog/item/b8ee5f16561cae4e20a4e93c.htmlExample 1 : As shown in the figure, ...
Whether it is high or low, the relay will work. When it is high, the voltage difference between the 3rd and 4th pins of the optocoupler is 10V, and the relay is 24V. Shouldn't it be 0 when it is high?...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[Details]
As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]
There are two main ways to measure temperature: one is the traditional contact measurement, and the other is
non-contact measurement represented by
infrared temperature measurement
. Tradit...[Details]
At present, the DES algorithm is increasingly used in confidential communications in the financial and non-financial sectors. DES (Data Encryption Standard) is a data encryption algorithm that was suc...[Details]
Do you have the basic terms of optics memorized? If not, read here.
Correlated Color Temperature: If the color of light emitted by a light source is closest to the color of light radiate...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]
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