[i=s]This post was last edited by chenzhufly on 2020-1-21 16:21[/i]It’s time to summarize the year again. Goodbye 2019, hello 2020! I remember that the forum first organized such an event in 2010, and...
A Qisheng VCD player has normal playback function, but when there is no disc in the tray, the empty tray cannot be ejected when the eject button is pressed. Analysis and repair: Open the VCD cover and...
Hello everyone, I recently bought a bb black board to play with. When setting up the cross-compilation environment, I used the latest version of ti-sdk-am335x-evm-06.00.00.00-Linux-x86-Install.bin on ...
I used Wind River Workbench 3.0 to load the .out file. When running the test case, it kept reporting the error "Error: wrong number of interpreter tags found. History file (C:/Documents and Settings/A...
The "visible light" band that the human eye can see is actually only a very narrow section of the entire electromagnetic spectrum. Let's use the Fluke-279FC to take a look at what the world of infrare...
Nowadays, with the continuous development of semiconductor technology and the increasingly stringent requirements of electronic products for power consumption, major chip manufacturers generally adopt...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
Talking
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