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Ripple is a core indicator of power supply, but how to accurately measure ripple is indeed a widely ignored issue. Maybe you think it is just AC coupling of the oscilloscope and then point the probe ...[Details]
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On the morning of July 15, Google officials are also trying to make a foldable screen mobile phone. It is said that the company is contacting Samsung to provide ultra-thin glass (UTG) for the ...[Details]
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Screen tests for the Samsung Galaxy S22+ and S22 Ultra have leaked, with the results coming from the company’s own development lab, and they’re exactly in line with the various leaks we’ve seen in th...[Details]
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With the rapid development of 3G network technology and the enhancement of various functions of 3G mobile phones, it has become possible to use 3G mobile phones to achieve video surveillance anytim...[Details]
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Contents The embodiments of the present invention relate to the technical field of flow measurement, and in particular to an ultrasonic flow meter. Background of the Invention As one of the most ad...[Details]
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Today, Huawei's official website issued a statement saying that Huawei's US subsidiary Huawei Technologies USA Inc. (HT USA) withdrew the lawsuit it filed in June against the U.S. Department of Comme...[Details]
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1 Introduction The SysTick timer is bundled in the NVIC and is used to generate the SysTick exception (exception number: 15). In the past, the operating system and all systems that used a time base...[Details]
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We all know about FLASH and EEPROM memories, but most people are familiar with specialized FLASH and EEPROM chips, such as W25Q16 and ATAT24C08 (external) storage chips. The biggest difference betw...[Details]
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Puzhong 51-Single-core-A2 STC89C52 Keil uVision V5.29.0.0 PK51 Prof.Developers Kit Version:9.60.0.0 Hard Knowledge Excerpted from "Popular 51 Microcontroller Development Strategy" and "DS130...[Details]
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Apple today updated its list of obsolete and discontinued products to include the iPhone 6 Plus, as it's been more than five years since the iPhone 6 Plus was last released. The iPhone 6 Plus was...[Details]
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#include
#include
#define key_port P0 //Keyboard interface definition
sbit key_port_0=key_port^0;
sbit key_port_1=key_port^1;
sbit key_port_2=key_port^2;
sbit key_port_3=key_port^3;
/********...[Details]
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Smart home is to establish a home comprehensive service and management integrated system consisting of home security protection system, network service system and home automation system by comprehe...[Details]
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In the case of lithium-ion rechargeable batteries, semiconductor technology can contribute to accurately grasping the voltage of each battery cell and realizing the required circuit with fewer compone...[Details]
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1 Introduction
Phase failure and phase sequence protection is an indispensable part of the AC motor starting equipment in high-power three-phase AC motors and irreversible transmission equipm...[Details]
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Medical equipment research involves many engineering research fields, such as electronics, computers, information processing, optics, precision mechanics, etc. With the development of medicine, the d...[Details]
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