Hello everyone, I am running uCOS on LPC2368. I don't know if there is a problem in the program. It will freeze after running for about 4 hours. However, if I connect JLINK to run the program, it will...
I got an error when using DialogBox() in WINCE6.0. In its message function, only one statement was executed and then it went to other messages. What is the reason? Thank you!...
I used to control a monochrome LCD screen with 51, but now I am using ARM9's s3c2440 bare metal to control a color LCD screen. I have no idea where to start. What is the general process of controlling...
The basic working principle of the induction cooker is introduced, and a power control method using the HT46R22 microcontroller to achieve stable power output of the induction cooker is proposed. Fina...
I now want to use the GPRS module to send an SMS to a mobile phone. I saw from a reference that it should be: AT+CMGF=1 OK //Return Value AT+CSCS=”GSM” OK //Return Value AT+CMGS=”13912223333” > Good, ...
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
Globally, the market for airbags and other restraint systems consists of different geographical regions, each with its own characteristics and needs. North America first introduced airbags in mass-...[Details]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
The Challenge:
Develop a communications-flexible portable measurement device that can record
high-frequency transients
in power systems
and display the data online to multiple users...[Details]
Central topics:
Six basic principles of automotive power supply design
Practical applications and power requirements
Solution:
Design heat sink based on minimum efficien...[Details]
Zinc-air batteries have the advantages of large specific capacity, high specific energy, stable discharge performance, cheap and easy-to-obtain raw materials, and no environmental pollution during ...[Details]
Real-time operating system RTOS
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