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On December 7, Ninestar announced that its wholly-owned subsidiary Zhuhai Apex Microelectronics Co., Ltd. ("Apex Microelectronics") intends to introduce strategic investors by increasing capital and ...[Details]
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When we use the parallel port to transfer data, we will use the following method to transfer data #define DATAOUT(x) GPIOB- ODR=x; STM32 IO ports are all 16 bits, so when DATAOUT is called, the 16 I...[Details]
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The current success in the field of machine intelligence relies mainly on computing power, which may search billions of times in order to make the best decision. If the decision is successful, it oft...[Details]
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#include linux/module.h #include linux/types.h #include linux/init.h #include linux/kernel.h #include linux/string.h #include linux/ioport.h #include linux/platform_device.h #include linux/del...[Details]
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Thanks to the joint efforts of many domestic
robot
enterprises, China's robot industry has developed rapidly in recent years, and
has made great progress in
industrial robots
,
s...[Details]
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1 Introduction The switching power supply is generally composed of a main power circuit, an auxiliary power supply and a control circuit. The main power circuit is mainly used to supply power to the...[Details]
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Three-phase asynchronous motors have many advantages such as simple structure, low price, easy maintenance, and reliable operation, so they are widely used. However, when using simpler methods to a...[Details]
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With the intensification of the energy crisis and the improvement of environmental protection requirements, new energy vehicles are attracting more and more attention. In the drive system of new en...[Details]
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For driver development and system transplantation, our code may have countless bugs, but there is only one result: driver failure! This article briefly introduces the following bare metal debugging...[Details]
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During the learning process, I found a very serious problem that is easy to overlook - that is, when the SSP1 pins use P0 -P0 -P0 , it is a W-type IO configuration. The 7th bit of the register can be...[Details]
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The expression of DC motor speed N is: N=U-IR/Kφ From the above formula, we can get that the speed control methods of DC motors can be divided into two categories: the excitation control method tha...[Details]
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Compared with single-ended output circuits
,
fully differential
op
amps not only have larger output swing and better common-mode noise suppression, but also eliminate high-order harmonic dis...[Details]
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introduction
LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is the originator of the concept of virtual instrument and is the world's best virtual instrument software development pla...[Details]
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There are more and more leaks about the iPhone 12 series. Recently, blogger @apple_idesigner also released a set of the latest renderings of the iPhone 12 Pro/Pro Max. Judging from the pic...[Details]
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As the country with the most advanced semiconductor technology in the world, the latest process in the United States is still 14nm, which is already behind TSMC. In May this year, TSMC announced the ...[Details]
Analog electronics
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