[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]lzwml[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and indi...
The baud rate of the serial communication in the program I designed is incorrect just after the service. It is corrected after a while and can receive and send correctly. I suspect that the clock is n...
We are participating in the school's science and technology project and plan to make a wireless ordering system. Of course, it is relatively simple. As long as the waiter has a device in his hand to t...
I feel that the default MessageBox() dialog box in WinCE5.0 is rather ugly. Is there any way to modify its appearance? I mainly want to change the background color and font. Thank you!...
[i=s]This post was last edited by littleshrimp on 2015-10-20 10:50[/i] Today I did some FFT performance tests on STM32F746. I copied 2048*4 bytes of data from FLASH to RAM, did a 1024-point fast Fouri...
The make of X86 simulator is OK but the one of ARM platform cannot compile. There is code about embedding asm in C in ffmpeg, and there is also .S assembly file EVC4. How to compile? ?...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Linux and Android
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