I am using 149. When I use the multi-function programmer to burn the program, it always makes two "dong" sounds and fails to burn. In the past, when this happened, I just replaced it with a 149, but I...
The TIM3 PWM mode generates a waveform (with a fixed number), the first part is normal, but at the end, there is a momentary high level, but then it slowly becomes low, like a sawtooth peak? ? What is...
This is a document I compiled when I was doing an event before. It is a summary of some experts' experience. Maybe you have encountered such a problem before, so come and have a look.I also hope that ...
[i=s]This post was last edited by xunke on 2016-10-7 11:05[/i] I saw this on a forum and it's awesome! I'd like to share it with other netizens: [backcolor=rgb(238, 238, 238)][font=Tahoma, Helvetica, ...
Is there any expert who has made a PCB for EP3C40F484? Can you give me a reference to see how to arrange the power supply and fan-out? Thanks!
guolh@163.com...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[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]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[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]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
Microcontroller MCU
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