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If the gain or noise bandwidth of a low-noise amplifier is known or estimated, the other specifications can be measured using only a few resistors and an AC voltmeter. This example uses the Johnson e...[Details]
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Filter capacitors play a very important role in switching power supplies. How to correctly select filter capacitors, especially output filter capacitors, is a matter of great concern to every engineer...[Details]
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The Cortex-M3 can have up to 8 interrupt priority grouping methods, because CM3 has a mandatory rule that SubPriority must occupy at least one bit (if there is no such mandatory rule, then there are u...[Details]
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With the development of chip manufacturing technology and the increase in application requirements, its integration is getting higher and higher. Therefore, power noise will inevitably be generated...[Details]
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Introduction MDK software cannot support various STM32 series chips well during simulation. It currently supports simulation for STM32F103 series chips, but does not support or only partially suppo...[Details]
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On July 20, Qinghai Province held a press conference for the "Green Power in July in Qinghai" series of activities. At the meeting, Yuan Yi, vice president of Shanghai Electric Power Generation...[Details]
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According to Jiwei.com on November 13, digital blogger Shen Yiren wrote an article yesterday talking about his views on under-screen cameras. Shen Yiren believes that under-screen cameras will most l...[Details]
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According to news on October 13, the Ministry of Industry and Information Technology learned that in October this year, the first international standard ISO 34501 "Road Vehicle Autonomous Driving Sys...[Details]
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Although there are only 29 days in February 2024, and although there is a 9-day Spring Festival holiday in between, the momentum of investment and production in the battery industry chain continues u...[Details]
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According to Reuters, British Arm said on Tuesday that it plans to transfer two software businesses to its Japanese parent SoftBank Group and shift its business strategy to focus on developing its co...[Details]
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Oscilloscopes are traditional high-end measuring instruments in the electronic testing industry. With the development of high-speed digital circuits and the Internet of Things, the application of osc...[Details]
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#include
#include math.h
typedef unsigned char uchar;
typedef unsigned int uint;
sbit KEY1=P3^4;
sbit KEY2=P3^5;
sbit KEY3=P3^6;
sbit KEY4=P3^7;
void Delay(unsigned int s);
uchar flag_0;
uchar flag...[Details]
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In-field firmware updates have been a critical component of every embedded system since its inception. Access to programming tools such as JTAG or SWD programmers and physical access to the programmi...[Details]
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Translated from eetimes In the realm of autonomous driving, the road to Level 4 and Level 5 self-driving cars is still long and tortuous. The delay in the release of self-driving cars by several ...[Details]
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Most people believe that high brightness LED (HBLED) will be the ultimate wise choice for lighting. HBLED manufacturers have significantly increased the number of lumens per watt of their pro...[Details]
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