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Power amplifier, referred to as "power amplifier". In many cases, the rated output power of the host is not enough to drive the entire audio system. At this time, a power amplifier must be installe...[Details]

Hardware Connection: MCU is connected to DH11 via a data line. MCU sends commands to DH11 via this line, and DH11 then sends data to MCU via this line. The core of the tempera...[Details]

Finisar Corporation recently announced that its CEO Michael Hurlston has announced his resignation. In November 2018, II-VI, a global leader in engineering materials and optoelectronic components, an...[Details]

Chapter 1 General Provisions Article 1 In order to promote the healthy development of radio communications, strengthen the management of micro-power (short-range) radio equipment (hereinafter ...[Details]

      In October this year, Microsoft launched a new Surface Pro 2-in-1 notebook, which added a USB-C interface in response to user requests, but still retained the Surface Connect interface. Now, th...[Details]

Architecture is a general term for buildings and structures. It is an artificial environment created by people in order to meet the needs of social life, using the material and technical means they h...[Details]

    The scope of embedded systems is very broad, ranging from simple single-chip microcomputer systems to non-computer systems with operating systems and a main frequency of hundreds of megahertz. Wit...[Details]

Part 2: Artificial Stack In the instruction set of the microcontroller, a class of instructions is specifically used to deal with the stack and PC pointer. They are rcall relative call subroutine i...[Details]

      After two developer betas, Apple finally released the first public beta of iOS 15 today. Generally speaking, the public beta of iOS will be released after the developer beta. By comparison, the...[Details]

The past twenty years have been called the "lost twenty years" by the Japanese media. However, a low-key Japanese technology giant has never stopped. After decades of planning, its global sales of br...[Details]

"The customer is always right" is a well-known saying in the service industry and marketing field. Its copyright seems to belong to Harry Gordon Selfridge. He founded the British department store S...[Details]

     On January 15, Qualcomm's official Twitter account confirmed that the Samsung Galaxy S21 series will be the first to launch Qualcomm's second-generation 3D ultrasonic fingerprint recognition tec...[Details]

#include #include macros.h #define uchar unsigned char #define uint   unsigned int   uchar step_table ={0xf1,0xf2,0xf4,0xf8}; uchar step_table1 ={0xf8,0xf4,0xf2,0xf1};   void Delayms(u...[Details]

/// ... ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​xiezhou 0x8a #define xienian 0x8c #define dumiao 0x81 #define dufen 0x83 #define dushi 0x85 #define duri 0x87 #define duyue 0x89 #define duzhou 0x8b #define dunian 0x8d #...[Details]

I am using the OK6410 development board, which comes with two kernels (2.6.32 and 3.0.1 have been tested) First, let’s talk about how to make a logo: Linux Logo Maker: LogoMaker.tgz 4.7MB...[Details]