[color=#000000][backcolor=white] The comparator circuit composed of an ideal op amp is as follows: [/backcolor][/color][align=center][/align] [color=#000000][backcolor=white]The input is a triangle wa...
Hello everyone, I don't know embedded development, I'm just a PPC user. My PPC is O2 FLAME, and its system partition is in the 2G MDOC H3. During one operation, I accidentally deleted the partition, r...
Please help me with the issue of Am335x Boot from NandVFS: Cannot open root device "ubi0:rootfs" or unknown-block(0,0)[ 3.833060] Please append a correct "root=" boot option; here are the available pa...
Hello everyone, I want to get into embedded systems, but I don't have any foundation. I have developed some small software in the past two years, using C language. What do I need to learn for embedded...
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What is the form of PN code with different delays or different phases? For example, for a 127-bit PN, is it necessary to expand each bit? How to represent different phases after expansion? I am a novi...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
1 Introduction
The coke oven gas recovery system is mainly composed of a gas tank and a pressure reducing station. While realizing the recycling and reuse of coke oven gas, it also plays an imp...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
When selecting EMC test equipment, we often encounter the following questions: What is the difference between an EMI receiver and a spectrum analyzer? Why should a receiver be used for EMI testing?...[Details]
1 Introduction
In order to realize intelligent electronic counting and frequency measurement and realize a wide-range, high-precision frequency meter, an effective method is to use a single-chip m...[Details]
1. Overview
Infrared temperature measurement technology plays an important role in product quality control and monitoring, online equipment fault diagnosis and safety protection, and energy co...[Details]
●Try to use original batteries
Using original batteries is the most important thing to ensure your safety. Nokia once claimed that there have been more than 20 mobile phone battery explosi...[Details]