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Frequency conversion speed regulation is widely regarded as a speed regulation method with long-term development prospects at home and abroad due to its excellent starting, braking and speed regula...[Details]
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Examples of pointer functions
#define ubyte unsigned char
#define uint unsigned int
#define ulong unsigned long
ubyte kbCode; //Key code record
ubyte kbStatus; //Current status of the keyboard...[Details]
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1 Hardware Structure
1.1 Main features of EPM7128SLC84
EPM7128SLC84 is a CPLD chip produced by Altera. The chip density is 6000 gates, has 60 dedicated I/O ports, PLC C84 package,...[Details]
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The MAX5975_ current-mode
PWM
controller contains all the control circuitry required in the design of wide-input voltage flyback and power-supply supplies for Power over Ethernet (...[Details]
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Usage of using in Keil C51
The using keyword is often used in C51 interrupt programs, but many people do not understand what it means. Here is a repost to help everyone understand.
If registers ar...[Details]
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The prescaler is an 8-bit counter with programmable frequency division multiples. Its structure is shown in the figure. The prescaler parameters have been described in the previous section and will n...[Details]
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In the past two years, the concept of autonomous driving has swept the automotive industry, software technology has advanced by leaps and bounds, and mileage has repeatedly set new records. However...[Details]
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The demand for electrical energy has increased exponentially over the past century. This has placed a greater emphasis on the performance and efficiency of power supplies used in everyday electronic...[Details]
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At present, small-scale speed control devices with low requirements, such as plotters, use thyristor phase control to supply DC motors. Dual base transistors are also used to generate pulses. It is n...[Details]
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Earlier this month, a whistleblower released renderings of the Apple Watch Series 7, which showed that the edges of the watch screen will be flatter and the case will be wider. Today, Twitter ...[Details]
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Lithium-ion batteries are widely used in portable electronic devices such as mobile phones, camcorders, laptops, cordless phones, power tools, remote control or electric toys, cameras, etc. due to th...[Details]
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The previous note recorded the functions of the interrupt enable register, timer/counter working mode register (TMOD), and timer/counter control register (TCON) of the 51 single-chip microcomputer. T...[Details]
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According to multiple sources, Apple will release a redesigned iMac with Apple Silicon chips this year. Prior to this, developer Dennis Oberhoff found traces of an unreleased ARM-based iMac computer ...[Details]
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(Image source: Rivigo official website) According to foreign media reports, Indian technology logistics startup Rivigo has partnered with tire giant JK Tyre & Industries to launch the patented T...[Details]
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CNC (computer numerical control) and lathe are two common machining equipment, which play an important role in industrial production. However, there are some significant differences between them, w...[Details]
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