The recent Korean drama “Squid Game” has also made “椪糖” popular. The second level: poking the “椪糖” and the graphic you choose at the beginning determines the difficulty of the game!Poking the pattern ...
Recently, I was working on the frequency division of the timer, but I couldn't enter the interrupt. I searched on the Internet and found that the interrupt vector was registered in startup_ccs. I dire...
[size=4][font=微软雅黑]The following is a course on rectifier circuits that I have selected for you. The content mainly introduces the principle and solution of synchronous rectification mode. I hope that...
Providing the hundreds of analog voltages often required in automated test equipment or precision control systems presents a unique challenge. Conventional operational amplifiers (op amps) cannot prov...
[p=30, null, left][color=rgb(34, 34, 34)][font="][size=3] Embedded products, like ordinary [color=#000000]electronic[/color] products, need to follow some basic processes in the development process, w...
[i=s] This post was last edited by qwqwqw2088 on 2018-12-13 17:48 [/i] [size=4][b]Question[/b]: Recently, several new projects use BQ27542-g1, and we need to design our own mass production burning and...
HV9963 is a current mode controlled LED driver that can be used to control PWM converters (buck, boost, boost-buck or SEPIC). The PWM dimming ratio is greater than 5000:1. It has an internal 40V linea...[Details]
On June 8, Unigroup Guoxin released a convertible bond issuance announcement, planning to issue convertible bonds of 1.5 billion yuan, of which 600 million yuan will be used for the research and deve...[Details]
There is a type of motor powered by a single-phase 220V AC power supply called a single-phase asynchronous motor. Its structure is similar to that of a cage-type three-phase asynchronous motor, and...[Details]
For the definition of ATmega32's I/O space, see P283 "Register Overview". All ATmega32 I/O and peripherals are placed in I/O. I/O locations can be accessed through IN and OUT instructions to transfe...[Details]
On December 22, the 2023 High-Quality Development Annual Summit hosted by Guangzhou Daily was held in Guangzhou. With its continuous innovation and technology accumulation, OPPO was selected into the...[Details]
Just now a young man asked the following question on the forum: I am studying the 2440+WinCE5.0 system and am looking at interrupt related topics. Find the following code in the file 2440init.s ...[Details]
According to foreign media reports, US President Donald Trump claimed on Twitter that Google "rigged" the voting results in the 2016 election, depriving him of a larger lead over his opponent, and th...[Details]
This article will explain in detail the concept of embedded, the similarities and differences between embedded development, and how to make choices for engineers who are about to enter embedded develo...[Details]
1. Offline interpolation of CNC system
In the CNC system, the traditional offline interpolation method must first be modeled through the geometric modeling system, and on this basis, the relev...[Details]
The main principle of this design is that the single chip microcomputer compares and processes the temperature value collected by the temperature sensor with the set constant temperature value in re...[Details]
The Science and Technology Innovation Board has never believed in "creating gods". Papaya Mobile, founded by an internet celebrity CEO, has just failed, and Transsion Holdings, which relies on the co...[Details]
Abstract: According to the mathematical model of permanent magnet synchronous motor and the principle of vector control, a servo system based on DSP control is developed through simulation and ex...[Details]
Servo motor structure diagram
Schematic diagram of DC servo motor structure
1. The output electromagnetic torque of DC motor is expressed as:
2. There are two met...[Details]
Analysis of AC voltage drive circuit and design principle
The AC circuit implementation scheme is explained with a simple 2×2 dot matrix driving circuit structure, as shown in Figure 3. In the figu...[Details]
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