-
Development and design of white light LED
In 1998, white light LED was successfully developed. This LED is made by packaging GaN chip and yttrium aluminum garnet (YAG) together. GaN chi...[Details]
-
As the industry chain becomes more concentrated, LED chips are also developing towards higher standardization and larger scale, and need to respond quickly and at low cost to meet differentiated need...[Details]
-
Huawei held a HarmonyOS 2.0 mobile developer Beta event, and officially released the HarmonyOS 2.0 mobile developer Beta version on site. After the event, Yang Haisong, vice president of Huawei's c...[Details]
-
Recently, the movie "Alita: Battle Angel" has become popular. This girl in the 26th century who has been transformed into a mechanical body has attracted countless fans. Even on TikTok, you can see i...[Details]
-
Common emitter amplifier circuit
3.2.1 Composition principles of amplifier circuits
When forming an amplifier circuit, the principles that must be followed are:
1. Set up a DC power suppl...[Details]
-
1 Current status of UPS power supply system in front-end computer room
Since the radio and television station is a public institution and the TV center requires 24-hour uninterrupted power...[Details]
-
1. Computer graphics technology
The technology of generating, displaying and drawing graphics by computer is called computer graphics technology. The graphics in the computer are also represen...[Details]
-
1 Introduction
In March 1996, the US Government Digital Voice Processing Association (DDVPC) selected the 2.4kbps Mixed Excitation Linear Prediction (MELP) speech encoder as the new standa...[Details]
-
In response to China's punitive tariff measures, US President Trump announced today that he would increase tariffs by 5% on $550 billion worth of Chinese goods and ordered US companies to withdraw fr...[Details]
-
0 Introduction
The corrosion meter introduced in this article is designed to monitor the corrosion of field oil pipelines. Since the corrosion of oil pipelines affects the production of oil,...[Details]
-
The triode switch circuit is widely used as a control circuit for power tubes. Here we will analyze the functions of various components in a practical switch circuit.
Transistor switch control circ...[Details]
-
I/O port of MCU (taking 16f87x as an example)
1. By default, port A and port E are analog signal input ports. If you want to use digital input and output ports, you must set the value of the ...[Details]
-
Medical resources are in short supply in my country. The development of local intelligent monitoring networks in hospitals can reduce the workload of medical staff and improve their work efficien...[Details]
-
Hikvision recently announced that it will expand the company's industrial chain. Hikvision issued an announcement stating that the company plans to jointly invest with China Electronics Fund, China...[Details]
-
When porting QT4.5 to mini2440, I encountered the problem of displaying Chinese in QT. Based on the information searched on the Internet, the solution is summarized as follows:
Step 1: Dow...[Details]