[color=#252525][size=14px]51 MCU uses ULN2003A chip to drive stepper motor program plus Proteus simulation [/size][/color] [color=#252525][size=14px]The MCU source program is as follows: [/size][/colo...
The power-up sequence of 2808 and 28335 is completely opposite to that of 2812. However, the power-up sequence of EZDSP2808 and 28335 is the same as that of 2812, which may cause: output buffers to tu...
[color=rgb(50, 50, 50)][font=myFont, "][size=14px]Overview[/size][/font][/color][color=#323232][font=myFont, "][size=14px] Why should components be used at derating? Because if the working state of th...
[i=s] This post was last edited by Jacktang on 2019-4-12 09:05 [/i] [size=4] Friends who have worked on RS-485 optocoupler isolation circuits must have been annoyed for a long time. This commonly used...
Author: Zhao Sixiao Source: EEWOLRD"The dream product has already started shipping," said Mr. Liren Tang, Xilinx's senior vice president and executive president of Asia Pacific, at the press conferenc...
Designers of hearing aids have stringent requirements. Hearing aids must be small enough to fit in or behind the ear, operate on ultra-low power, and be free of noise or distortion. To meet these requ...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
Introduction
Wireless operators are driving demand for broadband and data rates by offering enhanced data services to increase average revenue per user (ARPU). The need to provide users with ...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proc...[Details]
IntroductionUSB
, serial port, and parallel port are commonly used interfaces for communication between PC and peripherals. However, for images with large data volumes, if the serial RS-232 protoc...[Details]
Preface
Sine wave inverters are widely used in various fields such as electricity, post and telecommunications, communications, and aerospace. Moreover, with the continuous development and...[Details]
With the increasing application of various nonlinear loads, reactive power and harmonic pollution in the power grid have become a very serious problem. In order to eliminate the pollution caused by...[Details]
1 Introduction
The brushless DC motor uses an electronic commutation device to replace the mechanical commutation device of the traditional DC motor, and has similar mechanical character...[Details]
In view of the fact that a single ordinary type of fire detection alarm can no longer meet the demand, the use of multiple sensors to comprehensively collect various abnormal information before a f...[Details]
In recent years, LED has made great progress in backlight applications. It has not only been popularized in the backlight applications of small-size LCD displays, but has also begun to enter the ba...[Details]
Many coal mines in my country are still at the level of manual mining, with low production efficiency and many safety hazards, such as gas explosions and underground water seepage. Management is st...[Details]
Once upon a time, when people choose mobile phones, they began to pay more and more attention to the processor's main frequency. 300MHz, 400MHz or 600MHz? There is a trend of determining performanc...[Details]