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...
I am also happy to see this answer, the highest rated answer, the second line of code should be scanf, then judge, then scanf, then judge, right? . Original link: [url=http://www.zhihu.com/question/30...
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
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