My 430F1111, 3.3V voltage. 4MHz crystal often does not oscillate when powered on. The machine hangs there without any response, and the watchdog does not work. It seems very unreliable. I have 6 ident...
/**
* @brief使能或失能USART的.---Enables or disables the USART's 8x oversampling mode.
* @paramUSARTx:---Select the USART or the UART peripheral.
*这个参数可以是下面的值之一 : USART1, USART2, USART3, UART4 or UART5.
*Th...
[i=s] This post was last edited by Mr_Dai on 2018-11-4 19:07 [/i] [b][size=4]LabView Notes 1[/size]: [/b][size=3]Three methods based on LabView to implement the running light experiment[/size] [size=2...
Auxiliary trainer for plank and push-up exercises
Author: lvqyProject Background ( 100-200 words )Plank support is a popular fitness exercise around the world. However, incorrect posture can damage th...
I want to ask you guys, when the metering chip collects the voltage waveform, that is, caches the measured voltage waveform, how long does it usually take? ? ? I hope to get some tips. I am very frust...
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]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
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In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[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]
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]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]