In ordinary PCB design, for 1-4 layer PCB design, it is generally better to use 0.36mm/0.16mm/1.02mm (drilling/pad/power isolation area) vias, but the problem is that such vias are too small and canno...
main( int argc, char ** argv ) argv: pointer to pointer argc: integer char **argv or char *argv[] or char argv[][] In order to illustrate the meaning of these two parameters vividly, let us first use ...
In the 51 series, when writing programs in assembly language, it is very convenient when a very accurate delay is required. But when using C language, it seems that you have to slowly try through the ...
Embed a framebuffer similar to that in Linux in FPGA to control LCD. To let LCD display something, just fill in the corresponding unit of framebuffer with data. Has anyone done something similar?...
[color=#FF0000]My USBFN is connected via ActiveSync without any problems[/color], but problems will occur when it is changed to mass storage. When USBFN is connected to the computer taskbar, the USB d...
Does anyone have a C language program for PLL frequency synthesis of a microcontroller? It doesn't matter which microcontroller it is. Just send it to my email 11091716@163.com or give me a link. I ha...
The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices t...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[Details]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
Combined with Samsung's ARM9 series embedded processor S3C2410, this paper explains how to perform modular programming of LCD driver and how to statically load the driver into the system kernel.
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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]
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]
FSK (Frequeney-Shift Keying) uses carriers of different frequencies to transmit digital signals. FSK signals have the advantages of strong anti-interference ability and long transmission distance, and...[Details]
With the continuous development of digital television, the demand for high-definition is imperative. H.264, as a new generation of compression standard, has a more complete algorithm than MPEG-2, ...[Details]
Abstract:
The signal flow of the external transceiver in the WCDMA/TD-SCDMA protocol is analyzed. The analysis results show that most of the functional modules in the WCDMA/TD-SCDMA external tr...[Details]
1. Introduction
The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]
As modern cities develop towards multi-functionality, urban layouts become increasingly complex, with hundreds, even thousands of ground monitoring points. To ensure that functional departments can...[Details]