[i=s]This post was last edited by paulhyde on 2014-9-15 09:34[/i] With the rapid development of computer technology, embedded systems will play an increasingly important role in people's production an...
1. Resistivity --- Also called resistivity or specific resistance. It is a physical quantity that measures the conductivity of a material. It is represented by the letter ρ and its unit is ohm*mm2/m. ...
I have two questions for you experts:
1. The k60 series has 128k ram and 16k flex ram, but it is still not enough for my system. The document mentions that for FlexNVM devices: FlexNVM for high-tolera...
Dear digit hero, I use 89s52 to send a string through its serial port, why can't it stop? It's a very simple program, but I don't know where the problem is. I hope to get some guidance. The program is...
[align=left][font=宋体][size=11.0pt]Fast charging has become an integral part of our daily lives, especially when we are out and about. We rely on our phones and tablets for almost everything, which mea...
The lan91c113 network card is a 16-bit bus network card. Its throughput is only 6Mbpks in wince test, which seems too low. The speed of downloading the image in eboot is about 500kb/s (4.5Mbps). What ...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
Measurement compatibility
It is very important to ensure the compatibility between the pressure sensor and its actual application. Before making a pressure sensor selection, the fo...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
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