This document describes how to modify the user area size of the iTOP-4418 development board. The partition data in the document is for16G eMMC.uboot settingsEnter the iTOP-4418 uboot, as shown below.E...
I have never understood where the global variables are stored when Keil is compiled. Today, I tried it in the program. After defining several global variables, the size of the code area has not change...
When we play racing games on the computer, the player's perspective is usually above or behind the car, so we can see the surrounding environment of the car. This perspective can help us understand th...
"High-Speed Circuit Design Practice" starts from the perspective of design practice, introduces the various technologies and skills that need to be mastered in the work of high-speed circuit design, c...
[i=s]This post was last edited by Beifang on 2021-12-21 16:22[/i]1. After several rounds of testing, it is basically confirmed that there is a problem with this module. If it is not a problem with the...
1. Connect with life The common practice of pressing buttons is just like the induction cooker in life. Press the "+" button on the induction cooker and release it immediately, and you will find tha...[Details]
ViewSonic has announced the launch of a new generation of all-in-one LED displays, adding new strength to its large-size presentation display product line. Unlike traditional LED displays, ViewSonic'...[Details]
Start learning the knowledge points related to ARM exception interrupt processing from today; first learn the working mode of ARM. ARM processors have 7 operating modes, as shown in the following t...[Details]
// Independent watchdog has no interrupt, WWDG has // IWDG has a clock (LSI), wwdg needs to be mounted (PCK1: APB1) // IWDG is 12-bit decrement. WWDG is 7-bit decrement // IWDG has only a lower lim...[Details]
System Design
1 Selection of Temperature Sensor
Generally speaking, the sensors used in temperature measurement are: thermocouples and thermal resistors. This system needs to measure an...[Details]
Abstract: In power circuit applications, the switching frequency is often required to change continuously. This article introduces a variable frequency drive circuit implemented using the self-o...[Details]
After the release of Apple's A14 processor based on the 5nm process, Lu Weibing quickly hinted that Xiaomi/Redmi's 5nm machine was also in preparation. Undoubtedly, the Snapdragon 875 is what ...[Details]
This article designs an adjustable voltage-stabilized power supply circuit solution. The circuit is simple, the voltage can be continuously adjusted between 1.25-37V, and the maximum output curre...[Details]
A multimeter must have a meter and a selector switch on the board. There is also an ohm level zero adjustment knob and a test lead socket. The electrician's home below introduces the functions of eac...[Details]
Electronic and electrical products generally need to undergo electromagnetic compatibility testing before entering the market, mainly to prevent electronic products from being affected by electromagn...[Details]
1. Experimental purpose: Learn how the serial port works and master how to write microcontroller communication programs. 2. Experimental equipment: One PC computer and one Dais-52PRO+ experim...[Details]
The Hainan Smart Grid 2019-2021 Construction Plan, organized and compiled by the provincial party committee, provincial government and China Southern Power Grid, was implemented at the end of March...[Details]
The default search engine of Apple's own Safari browser has always been regarded as a focus of competition among major search giants. Previously, Google paid Apple a large sum of money every...[Details]
Radio frequency identification is a contactless automatic identification technology that automatically identifies the target object and obtains relevant data through radio frequency signals. Radio...[Details]
Have you heard of Moravec's paradox? The paradox states that for artificial intelligence (AI) systems, high-level reasoning requires very little computing power, while achieving the perceptual-moto...[Details]
ARM Technology
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