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#include"reg52.h" typedef unsigned char u8; typedef unsigned int u16; sbit led=P2^0; sbit k4=P3^3;//External interrupt 1 void delay(u16 i) { while(i--); } void zhongduan() { EA=1;//General in...[Details]
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Over the past decade, the wired and wireless infrastructure of industrial systems has undergone a dramatic change, moving from traditional fieldbus technology to Industrial Ethernet, with protocols s...[Details]
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The origin of analog audio is in the telephone line. To this day, some data in many standards, such as 600 ohm impedance and other parameters, are still left over from the design of telephone lines...[Details]
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Future AirPods Max or other personal audio accessories could increase the privacy of sound by using bone conduction to transmit calls or private audio to the user without being heard by others....[Details]
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The waveform display speed is related not only to the waveform refresh rate of the oscilloscope itself, but also to the acquisition time and trigger settings. For example, the full screen of Agilen...[Details]
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The COVID-19 pandemic has brought new variables, and the stay-at-home economy continues, driving a surge in related DRAM purchases. Industry insiders are optimistic that DRAM quotations will begin to...[Details]
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In the STM32 firmware library and the provided routines, assert_param() can be seen everywhere. If you open the stm32f10x_conf.h file in any routine, you can see that assert_param is actually a macro ...[Details]
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Key circuit: Commonly used non-encoded keyboards, each key is a normally open switch circuit.
Key debounce :
The switch used for the common keys is a mechanical elastic switch. When the mech...[Details]
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The fire protection network monitoring system has been developing day by day in China. Now many cities have established the urban fire protection network monitoring system. Some enterprises have also ...[Details]
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When considering power management issues more, the architecture of portable electronic products can be represented by Figure 1. Today, most portable electronic products use lithium batteries to pow...[Details]
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Main use: Micronaire tester/cotton fiber micronaire tester is suitable for cotton planting, cotton purchasing, cotton spinning and cotton inspection. It mainly uses the airflow method to test the mic...[Details]
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Do you know how fast the fastest charging station is? Recently, according to foreign media reports, Portuguese startup i-charging has officially launched the new blueberry charging station, whose c...[Details]
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1. Project Overview 1.1 Introduction A greenhouse is a place that can change the growth environment of plants, create optimal conditions for plant growth, and avoid the influence of seasonal chan...[Details]
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In the previous section, we talked about how to implement the tasklet mechanism
http://blog.csdn.NET/morixinguan/article/details/69666935
In this section, we will implement th...[Details]
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//Benchmark definition
#defineAD_ref_vref0x00 //reference Vref
#defineAD_ref_avcc0x40 //reference AVCC
#defineAD_ref_vref_in0xc0 //reference internal Vref
#defineAD_refAD_ref_vref
//Constant ...[Details]
DSP and ARM Processors
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