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1 Introduction With the continuous development of automation technology, intelligent circuit breakers and fieldbus technology have played an increasingly important role in high and low voltage powe...[Details]
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The 8051 microcontroller has two independent 16-bit up-counting timers named Timer0 and Timer1. This article is about using the 8051 timer to generate time delays. Delays can be generated using pure ...[Details]
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* =======PWM speed control program of DC motor ======== */
/* The crystal oscillator uses 11.0592M, and the frequency of the generated PWM is about 91Hz */
#include reg51.h
#include math.h
#...[Details]
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Last week, many iPhone users reported that their phones were leaking data. After investigation by professionals and customer service, it was found that a function in the positioning service cau...[Details]
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Since the development of high-speed domes, various technologies have been quite mature, but due to the serious impact of product homogeneity, the development prospects of high-speed domes are also ...[Details]
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The content of food inspection and analysis is very rich, and the scope is quite wide, such as the detection of carcinogens, the inspection of spoiled animal food and adulterated food. There are man...[Details]
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As people's living standards continue to improve, consumers have higher and higher requirements for kitchen appliances, and have high demands for the environmental protection and energy saving char...[Details]
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1. Introduction As energy efficiency and environmental protection become increasingly important, people have higher and higher expectations for the standby efficiency of switching power supplies....[Details]
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Because the PIC series of microcontrollers use a Harvard structure with separate instruction space and data space, and use two buses with different bit sizes. Therefore, instruction fetching and data...[Details]
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With the advent of HSDPA, data can be transmitted at a faster speed than traditional WCDMA. This is mainly achieved through a more complex modulation format and repeated steps of sending data. Thes...[Details]
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On the evening of April 11, vivo's first folding screen flagship vivo X Fold was released. The 12GB+256GB version is priced at 8,999 yuan, and the 12GB+512GB version is priced at 9,999 yuan. Technol...[Details]
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The receiving tolerance test mainly tests the receiver's tracking and tolerance capabilities for jitters of different frequencies. Similar to buses such as USB3.0, the SAS has its own clock doma...[Details]
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The new product launch of the Savior Gaming Phone 2 Pro will be held on April 8. Digital blogger @数码闲聊站 released two real photos of the phone today, saying that the phone has an extra-large sym...[Details]
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Different currents require different forward and reverse control. Generally, small motors can be switched by AC contactors. Forward and reverse switches are also available. Large motors require sof...[Details]
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On November 4, Nokia issued a press release on October 31, announcing that the company was selected by the European public-private partnership Smart Networks and Services Joint Undertaking (SNS JU)...[Details]
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