At present, the microcontroller I use is stc15f104e for infrared remote control decoding. Because the external interrupt of version A of this microcontroller has a bug, it cannot be used. Therefore, I...
[align=left]Qingyuefeng is the first PCB software in China with completely independent intellectual property rights. Around July 2008, the global financial crisis broke out. In October 2008, Qingyuefe...
I encountered a strange problem when debugging the SD card reading program today. When I debugged (release) in IAR, I could read the data in the SD card normally (continuous block reading), but after ...
Recently, Xilinx released the first low-cost Spartan-3A DSP platform. When I asked my colleagues about this, they said that DSP is originally a solidified FPGA. So what are the market focuses of tradi...
The system is installed with evc4.0+sp4, and then ppc2003sdk is installed, but every time I compile a program, the program cannot be downloaded into ppc2003, while the standard sdk that comes with the...
Radio Frequency Identification (RFID) technology is a contactless automatic identification technology that uses radio frequency signals to read and write relevant data from target objects to achiev...[Details]
Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives.
In recent...[Details]
As FPGAs incorporate more and more capabilities, the need for effective debugging tools will become more critical. Careful planning for internal visibility will enable teams to adopt the right debuggi...[Details]
Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]
System Introduction
EraSoC-1000 series chips are high-performance SoCs (System on Chips) based on the Loongson core. With their powerful CPU processing capabilities, 64-bit floating-point ...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[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]
With advantages such as energy saving, long service life and rich color combinations, LED has become one of the fastest growing semiconductor fields, with a compound annual growth rate (CAGR) of up...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[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]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
0 Introduction
The peak value of AC voltage refers to the maximum value (positive peak value) or minimum value (negative peak value) of AC voltage, which is a very important parameter in t...[Details]
1 Introduction
In the adaptive predistortion amplifier based on the lookup table, the least mean square LMS (1east-mean-square) algorithm widely adopts the viewpoints proposed in the liter...[Details]
The Industrial Cloud
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