I would like to ask, when PADS creates a package, how can I change a large pad into 4 small ones for window opening? For example, the original pad is 4*4mm, and I need to divide it into 4 1.8*1.8mm sq...
Shenzhen Hongdian Technology Development Co., Ltd. Liu Qiuyong 2006-2-28 Keywords: MODEM, DTU, ROUTER, GPRS, CDMA, EDGE, TCP/IP. Introduction In recent years, the rapid development of wireless network...
The Fujitsu FRAM model applied for is: MB85RC256VPF. Compared with other memories, it does have many advantages: 1. Low power consumption, which is of great significance to portable devices. 2. Compar...
After importing a project file into the SDK, I get an error when compiling, error: 'XPAR_PPC440_MC_DDR2_0_MEM_BASEADDR' undeclared here (not in a function). After searching, I found that this definiti...
Let's take a look at my remote control first: [img]http://www.ouravr.com/bbs/bbs_upload88916/files_9/ourdev_241708.jpg[/img] [img]http://www.ouravr.com/bbs/bbs_upload88916/files_9/ourdev_241774.jpg[/i...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
PCB Design
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