Recently I'm looking at FPGA controlling PS2 to control VGA display, but the PS2 mouse generation module has many output pins, I don't know if all of them are used or some are not used? How many ports...
Showing off the gift I just received today:pleased:. Thank you eeworld. I now treat eeworld as my girlfriend. Before we broke up, I had to greet my girlfriend every morning and evening. Now I watch ee...
I got a development board with a SOP20 MCU on it. The manufacturer model has been polished. It can be measured that Pin5 is GND and Pin16 is VCC. Can you guess which MCU it is? It would be even better...
In the design of switching power supply, the physical design of PCB board is the last link. If the design method is not appropriate, PCB may radiate too much electromagnetic interference, causing unst...
Simply put, flash is divided into two types according to different internal access interfaces: nor flash and nand flash. nor flash: just like accessing SDRAM, it is directly accessed according to the ...
[color=#000000][font=宋体][size=10.5pt] [font=微软雅黑][size=3][color=black]2012[/color][/size][/font][/size][/font][size=10.5pt][font=微软雅黑][size=3][color=black]On August 14 and 15, 2012, Freescale FTF 2012...
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]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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]
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 controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[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]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]