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When we use kei c51 to create a 51 microcontroller project, there will be a prompt as shown below: When keil creates a new project, it prompts whether to add a startup file Normally, you need to sel...[Details]
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Keyboard subroutine (AVR)
Keyboard scanning has interrupt mode and query mode #include "jn8515def.h"
/******The following is the keyboard arrangement diagram****** | | | PC0 ___1|__2|__3|__ | | ...[Details]
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Micron Technology released its first quarter financial report for fiscal year 2020. The report showed that Micron Technology's revenue in the first quarter was US$5.144 billion, a 35% decrease from U...[Details]
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Preface
The motor winding insulation in the inverter application is subjected to a higher voltage strength than the direct grid supply.
The modulation method used in the drive produ...[Details]
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Will the speaker's positive and negative poles be connected in reverse to burn out the amplifier?
If the positive and negative poles of the speaker are connected in reverse, that is, the posit...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
__CONFIG(0x3B31);
void init();
uint intnum;
void main()
{
init();
while(1)
{
/* if(intnum==20)
{
intnum=0;
RD...[Details]
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American scientists have developed a new technology that successfully integrated composite semiconductor nanowires on solar silicon wafers for the first time, overcoming the key challenge of lattic...[Details]
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Jinan Jinweike Technology Development Co., Ltd. (hereinafter referred to as "Jinweike") announced that it has completed nearly 100 million yuan in financing. This round of financing was led by Yida C...[Details]
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As we all know, the impact of the Internet on home appliance companies has not been a one-day thing. As early as 2013, when the Internet of Things and smart hardware innovation wave came, home applia...[Details]
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Farnell element14, a global distributor of electronic components and development services, has announced a range of time-of-flight (ToF) sensors to meet the changing needs of design engineers and th...[Details]
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The ADC interrupt reading method is suitable for low-frequency ADC acquisition, while high-frequency AD acquisition must use DMA. The initialization function of ADC interrupt reading only adds an int...[Details]
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Motorola Edge S is now available for pre-order on JD.com. The phone will be released at 19:30 on January 26 and will be the first to be equipped with Qualcomm's newly released Snapdragon 870 chip. Le...[Details]
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Step 1 Select your bandwidth: You need to know what signal you are measuring and what the frequency is. You can calculate it based on the formula and table provided in Deep Understanding of Oscillosc...[Details]
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Measure
Voltage transformer ratio
Category: Power Technology
正文开始
Transformer ratio polarity tester
The conventional transformer ratio inspection method is the curr...[Details]
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The U.S. Department of Energy has released the final version of the Energy Star standard for LED light source lamps and the U.S. UL certification, and safety is a very strict requirement; if the LED ...[Details]
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