[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:02[/i]Time: 2010-08-26 19:40:45[i=s] This post was last edited by jameswangsynnex on 2015-3-3 20:02 [/i] My home is controlled by a mic...
[i=s]This post was last edited by wolfcan on 2016-4-24 18:23[/i] After a period of study, my first board is finally going to be completed, but I still have some questions to ask the teachers: First: M...
After the basic electrochemical performance test, the 18650 lithium battery can be subjected to in-depth performance research to select batteries with good consistency and low impedance for various pe...
MACRO handler sub sp,sp,#4 ; stmfd sp!,{r0} ldr r0,=handler ldr r0,[r0] str r0,[sp,#4] ldmfd sp!,{r0,pc} MEND What does the first line mean? The book says it is to save the address after the jump. Why...
The TOP2005 programmer has the characteristics of small size , low power consumption and high reliability. It is a general-purpose model designed for developing microcontrollers and burning various ty...
I am making a PCB board now. The datasheet of one of the integrated components gives the pin size as 7mm-7.5mm. When I draw the PCB, should I choose the maximum value, the minimum value, or a value in...
The radio frequency identification (RFID) market is experiencing strong growth, with sales reaching $1.7 billion in 2004 and expected to reach $5.9 billion in 2008. This surge in demand is driven b...[Details]
1 Introduction
The integration of sensor technology and RFID has just started. As one of the world's major manufacturing and consumer countries, China should seize this opportunit...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
PCI (Perip heral Component Interconnect) is an advanced high-performance 32/64-bit local bus that supports linear burst transmission and has a maximum data transmission rate of 132MB/s. At the same...[Details]
Third generation (3G) mobile phones offer a variety of features with more functionality. As consumers enjoy the latest and better features of these communication devices, they continue to demand lo...[Details]
As mobile phones have evolved from simple voice communication tools to multimedia devices that integrate communication, imaging, and gaming, application processors are replacing baseband chips as t...[Details]
introduction
The most common flight state of a fixed-wing aircraft is horizontal flight. If it is allowed to fly at a large angle, the action cannot be maintained all the time. If it is al...[Details]
Designers of handheld products such as cell phones, digital cameras, MP3 players and personal digital assistants (PDAs) are continually challenged to deliver more functionality in a smaller form...[Details]
Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is leas...[Details]
Multimedia communication terminal equipment has a wide range of application prospects and can be applied to various fields such as video conferencing, videophone, PDA, digital television, etc. Therefo...[Details]
With the rapid development of my country's power industry, the power system has higher requirements for the collection of power generation, transmission, distribution and consumption. As a prerequis...[Details]
introduction
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more...[Details]
Battery system architecture
For many years, nickel-cadmium batteries and later nickel-metal hydride battery technology have dominated the market. Lithium batteries have only entered ...[Details]
At present, ECG monitoring systems that mainly collect, analyze and diagnose ECG signals have been widely used, and have played a great role in the prevention and diagnosis of heart diseases.
...[Details]
Nowadays, video conferencing has become a situation where multiple manufacturers supply various high-definition products. The technology of high-definition products has greatly matured, the cost h...[Details]
Energy Infrastructure?
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