/************************************************ File name: seg.vDescription : The result of the program: the 0th to the 7th digital tubes display 0-7 in turn; Creator: He Yuntao Creation time: Janua...
I used a universal board to weld a small detection system. The circuit is not complicated and uses AD conversion chip. [/color][color=#252525][font=Tahoma][size=14px], [/size][/font][/color][color=#42...
When I was learning assembly recently, I was confused about the CPU address lines, data lines, CPU bit width, how to allocate memory addresses and their relationship with the address lines. Which expe...
I tried wifidemo this week. I am actually most optimistic about the wirelesscamere in 1.19, but there is no mention of it in the usermanual. It should be a new feature added in 1.19. First, the first ...
The first time I soldered an LGA packaged chip, I was a little nervous because I couldn't see whether the pins were connected after soldering. If they were not connected, it would be troublesome to wr...
Selected from the AVR seminar speech outline! Shuanglong Lao Geng (1) Why choose AVR microcontroller? Flash program memory can be erased and written more than 1,000 times, and no scrapped products wil...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[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]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
I. Introduction
The use of electronics in cars dates back to the early 20th century when electric starters replaced hand cranks. Automotive electronics became popular in the 1960s with the...[Details]
1. Basic principles of organic/polymer solar cells
The basic principle of organic/polymer solar cells is to use the photovoltaic effect generated by light incident on the heterojunction of sem...[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]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]