The program for the 7*6 matrix keyboard has been compiled. Each key value is stored in an array such as key[7][6]. Now there is a 7*5 matrix keyboard LED indicator. How to make the corresponding indic...
I deleted more than 100 posts at night. I have two suggestions: 1. New users cannot post topics temporarily, they can only update posts first, for example, limit them for 3-5 days first, 2. Limit the ...
CRYSTAL CS495313 32bit audio DSP, CS8416 low time base error 192KHz digital receiver, CS42448A 96KHz/24bit ADC and DAC are the chipset combination of the highest performance AV receiver amplifier deco...
I would like to ask, can this function RegistryNotifyCallback be used in the driver? 6410_WAVEDEV_IIS.DLL' 65189 PID:8e23665a TID:8e236636 RaiseException: Thread=8e2363f4 Proc=807cd600 'device.exe' 65...
A program does not have an operating system, but it contains many functions, and the functions also contain local variables. Why is the Maximum Stack Usage message prompted as 0 bytes after compilatio...
I recently developed a board with 8 5*7 dot matrix digital tubes, 5 74HC595 to control the columns, APM4953 to control the 7 rows, and I plan to use 430 as the microcontroller. Which chip is more suit...
1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
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]
Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
Abstract This paper
introduces a wireless radio frequency transmission chip nRF9E5 based on 8051 core. The remote control system of flapping-wing micro-aircraft is made by using this chip. Th...[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]
1.
Introduction
With the rapid development of modern computer technology and Internet technology, embedded systems have begun to occupy the mainstream of the market. Due to the high ...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
From a broad perspective, the development of digital television in my country started in 1995 with a special project on digital television science and technology. In 1998, China's first and the wo...[Details]
Development Status
Looking at the development of security monitoring technology: from the first generation of analog monitoring, to the second generation of digital monitoring, and then up...[Details]
On July 1 this year, the "Civil Airport Management Regulations" will be officially implemented. The new regulations put forward higher requirements for the safe operation of airports. At the same t...[Details]
1) What product is Xilinx announcing today?
Introducing the latest version of the industry-leading FPGA design environment, ISE? Design Suite 11.1, which provides the main part of the prog...[Details]
ISE Design Suite 11.1 sets a new industry standard in providing FPGA design tools and IP products for embedded, DSP and logic designers. As an important milestone in Xilinx's target design platform...[Details]
1 Introduction
Rectifier circuits, especially single-phase bridge controlled rectifier circuits, are the most important and widely used circuits in power electronics technology. They are n...[Details]