Powerline modems are devices that transmit signals based on power lines. They enable homes or small offices with the same circuit loop to build a local area network through existing power lines. For h...
I didn't pay attention to the heating problem of 2812 before.Now, when the 2812 runs at 150M,I accidentally touched the chip and found it was quite hot.I want to ask, is it true that the 2812 will not...
[i=s] This post was last edited by qwqwqw2088 on 2014-7-28 17:36 [/i] 1. Design topic: 12V battery step-down output 9V2A circuit. The circuit parameters are proposed as: input 10V-15V, output 9V2A 2. ...
My original intention is to use a server and a client to communicate with each other like socket programming, the only difference is that it is through a USB cable instead of a network cable. Please g...
Unipolar Isolated Power Factor Correction (PFC) ConverterOne of the main development trends of modern switching power supplies is to improve the power factor of the input end of the AC/DC converter an...
[i=s]This post was last edited by dontium on 2015-1-23 11:35[/i] [b][size=3]I haven't been to the forum for a long time. I apologize to Tangtang first. [/size][/b][size=3]I have been struggling with t...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[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]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[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]
DIY/Open Source Hardware
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