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ISD4004 voice chip C51 driver source code /*spi isd4004.h*/ #include "reg51.h" #include "intrins.h" sbit _cs = p0^0; sbit _sclk= p0^3; sbit _mosi= p0^1; sbit _miso= p0^2; sbit _rac = p0^4; sbit _int...[Details]
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Smart door locks have gradually become the next hot spot after smart speakers and have entered a stage of large-scale explosion, but products are highly homogenized. Currently, companies are mainly i...[Details]
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TMS320F24X is one of the TMS320 series fixed-point digital signal processors (DSP) of TI , USA . TMS320F240 is a typical representative of F24X series digital control chips. Since TMS320F240 does...[Details]
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The design of signal conditioning platform is an important part of building a large-scale missile test system based on VXI bus, and it is also the primary task of its hardware implementation. At pr...[Details]
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Microchip Technology offers a family of fan cooling speed controllers that operate in PWM mode for brushless DC fans (Reference 1). To control fan speed using the duty cycle of the PWM waveform, an...[Details]
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Program features: 1. Enumerate the STM32 USB as a HID device. 2. STM32 uses 3 endpoints, endpoint 0 is used for enumeration, and endpoints 1 and 2 are used for data transmission and reception. 3. T...[Details]
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In September 2020, SK Hynix announced that it would spend $9 billion to acquire Intel's NAND flash memory business, and completed the first phase of the transaction at the end of last year, taking ov...[Details]
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arm-linuxgcc version 4.3.2 After testing, it can be compiled up to linux-4.1.36. There will be errors in higher versions, which may be caused by the lower version of the GCC compiler. Decompressio...[Details]
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The voltage on C1 in the figure is the voltage after bridge rectification. Rs1 samples the current flowing through the MOS tube and performs cycle-by-cycle current limiting control to prevent the cur...[Details]
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According to data from market research firm eMarketer, in 2017, 35.6 million U.S. consumers used voice-controlled devices at least once a month, and that number is growing at a compound annual growth...[Details]
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1 Introduction
The human-computer interface is an important part of the embedded system. The popular GUIs are: Nano-X, microwindows,
Minigui, QT/Embedded, OpenGUI, etc. generally adopt cl...[Details]
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According to Yongpai, Huancaixing Technology (Ningbo) Co., Ltd., located in Ningbo Haishu Gaoqiao, has entered the commissioning stage of the country's first and only metal mask (FMM) production line...[Details]
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* Content Description: This example uses the ucos2.86a operating system and creates five tasks. Task Name Priority APP_TASK_START_PRIO 2 Main task ...[Details]
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Translated from 5gradar Can the UK architecture meet 5G security requirements? Jimmy Jones, cybersecurity telecoms expert at Positive Technologies, explains all. 5G security will become incre...[Details]
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0 Introduction
With the development of modern electronic technology, the development of interface technology is also becoming more and more rapid, and the USB interface has develop...[Details]