A while ago, I saw an article online about a beautiful programmer who graduated for 3 and a half years and whose salary increased from 2k to 8k and she changed 3 jobs. I felt the same way after readin...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:39[/i] It includes commonly used measurement circuits, sensor circuits, detection circuits, etc., and has certain reference value....
@echo off md E:\网络游戏\世界魔兽xcopy /e "U:\世界魔兽" "E:\网络游戏\世界魔兽" start U:\世界魔兽\BigFoot.exe echo copy successful pause&exit This batch process always asks to execute. How can I not execute it? Thank you...
The code is as follows [code] if (m_hComm != INVALID_HANDLE_VALUE) // Already opened, return directly { return TRUE; } m_hComm = CreateFile(_T("COM1:"), // Open serial port COM1 in synchronous read mo...
[i=s]This post was last edited by ltbytyn on 2014-11-17 23:18[/i] Hardware: MSP430FR5969 Launchpad+430BOOST-SHARP96+ADXL345 ADXL345 digital three-axis gravity acceleration chip, supports I2C\SPI two i...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Talking
京公网安备 11010802033920号
EEWORLD
