I made a motor control + modulation program for DSP C6748+FPGA, and found that the calculation speed of 6748 is slow, and the program execution may not be completed (I used 28335 before and it was fin...
I have seen many questions that ask you to find errors in an interrupt service program with a return value. The answer is: Interrupt service programs are not allowed to have return values. Interrupt s...
I made a 220v 5v stabilizer, using a 12v transformer and then connected to a 78M05 to stabilize it to 5v, but after a long time, the transformer will get hot, and then the power will not be enough. It...
As shown in the figure, what is the specific function of the capacitor marked in red? This figure is a mic circuit in an IP phone. How to determine its capacitance?...
[i=s]This post was last edited by dontium on 2015-1-23 13:02[/i]I bought the chip from a group purchase, and I was itching to make one. Later, I printed a PCB. For details, see: bbs.eeworld../thread-3...
[i=s] This post was last edited by huanjun123 on 2014-11-6 15:19 [/i] I made a minimum system based on mega8. When testing, the IO port high-level output was about 1.5V and the low-level output was ab...
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
1 Introduction
Intelligent software agents are software programs that can perform specific tasks for users, have a certain degree of intelligence, can autonomously perform some tasks, and ...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
The rapid growth of consumer video applications, from portable media players and cell phones to video game consoles, requires a multitude of different interfaces and adapters to enable users to tra...[Details]
Abstract:
Under high dynamic conditions, combined with GEC's twelve-channel correlator GP2021, this paper discusses the structural design of GPS receivers and the key technologies inv...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
Abstract: In many SCART applications, due to the complex signal switching requirements, dedicated ICs are usually used to implement SCART connections. This will bring cost pressure to single SCART ...[Details]
Abstract: This paper analyzes the technical characteristics of mobile streaming media and the core technical protocol of mobile streaming media - H.264 protocol, and explains the two major domesti...[Details]
Advances in 3D semiconductor packaging technologies have enabled the form and functionality of many of the products we use every day, such as mobile phones, personal entertainment devices, and flas...[Details]
Overview and application status of IC card access control
IC Card Access Control Overview
System Overview: Use IC card as the carrier to realize identity recognition and access co...[Details]
With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]
After more than 20 years of development, Ethernet has become an indispensable part of the underlying connection in modern Internet. It is easy to network and has better openness, making it one of t...[Details]
DSP and ARM Processors
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