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On December 1, the first phase of Hongli's Mini/Micro LED semiconductor display project was put into production at Hongli Zhihui's Guangzhou headquarters park. In June this year, Hongli Zhihui sign...[Details]
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According to Jiwei.com, miniaturization technology can be used to increase the density of semiconductor devices, and a variety of multi-gate transistors have gradually been developed. Such transistor...[Details]
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Chengdu is a region that attaches great importance to the development of the electronic information industry. Last year, when the global economy was affected by the epidemic, the output value of the ...[Details]
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MCU manufacturers are aggressively scrambling to grab a piece of the Internet of Things (IoT) market. As the Internet of Everything and wearable device business opportunities are rising, the shipment...[Details]
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According to statistics, in 2018, China's sales of new energy vehicles reached 1.256 million, continuing to rank first in the world and setting a new record. By the end of 2018, the total sales of ne...[Details]
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According to the dependencies between the various parts in the system, a virtual instrument system can be divided into several levels, as shown in Figure 1. The most general division method is to divi...[Details]
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On the afternoon of August 14, Feng Yufei, president of iQOO brand, published an open letter, talking about the future direction of the iQOO mobile phone brand. Feng Yufei said that iQOO still mainta...[Details]
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The epidemic in Malaysia has re-emerged, and the Malaysian government has decisively imposed a two-week lockdown, requiring local production lines to maintain low-manpower operations and reduce produ...[Details]
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In this era of E-sports, cars have become an indispensable part of people's lives. With the rapid development of technology and the continuous improvement of living standards, people's requiremen...[Details]
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1. Clamp ammeter function When using an ammeter to measure current, the power must be turned off and the circuit disconnected before the ammeter can be connected for measurement. In situations where ...[Details]
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According to foreign media reports, a couple designed a ring that embeds the RFID (radio frequency identification) chip of the Tesla Model 3 key card and can open the car door. Although everyone thin...[Details]
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Not long ago, a Waymo driverless taxi and a cyclist had an accident in San Francisco. The accident occurred around 3 pm local time. After the accident, the cyclist was not seriously injured and did...[Details]
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Lithium-ion batteries are widely used in portable devices due to their high energy density in terms of both weight and capacity. Users of devices such as smart phones, PDAs, and MP3 players want to...[Details]
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TrendForce analyst Chen Yanyin said that last year was the first year for optical products, with a market penetration rate of less than 2%. This year, due to the reduction in product costs of related...[Details]
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Note: The following programs have been debugged by me and are successful.
Purpose: buzzer sound
The procedure is as follows:
#include reg52.h
sbit buzzer=P3^5;
void delay02s (void) //延时蜂...[Details]
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