QC5A30.100F20A51AM

　　introduction 　　CMMB (China Mobile  Multimedia Broadcasting) is the first domestically developed system for mobile phones , laptops and other mobile terminals. It uses S-band signals to achieve "sky...[Details]

Today, power supply designers are faced with many challenges, not only to achieve higher energy efficiency goals, but also to meet the requirements of faster product launch. In terms of achieving h...[Details]

　　How to use the leakage switch tester 　　1. Measure equipment leakage current 　　① First, turn the knob in the instrument to the milliampere position (mA), and then turn on the power. Here you need to...[Details]

Non-isolated buck power supply is a commonly used power supply structure, accounting for more than 90% of fluorescent lamp power supplies. Many people think that non-isolated p...[Details]

The stepper motor (pulse motor) is an actuator that converts electrical pulses into angular displacement. It is an actuator of digital control. It can control the speed and acceleration of the moto...[Details]

What is low noise amplifier? Amplifier with very low noise figure. It is generally used as a high-frequency or intermediate-frequency preamplifier for various radio receivers, and as an ampli...[Details]

Recently, Japanese research company Fomalhaut Techno Solutions disassembled the iPhone SE on the market, which is very similar to the iPhone 8, with basically the same external accessories, substrate...[Details]

With the implementation of 5G, a large number of new technologies will emerge; Intel is also seizing this opportunity to make some money; autonomous driving is one of its areas, and as of now, Intel'...[Details]

Chip manufacturers are focusing on the gaming sector because the gaming industry is constantly changing: from consoles to PCs, mobile phones have now surpassed their predecessors and become the new m...[Details]

Question How to reset an AVR via software? Answer If you want to reset the AVR via software, you should use the internal watchdog. Simply enable it...[Details]

1 First distinguish between bit and sbit   Bit is similar to int char, except that char = 8 bits and bit = 1 bit. They are all variables, and the compiler assigns addresses during the compilation p...[Details]

At the 2023 Baidu World Conference that just passed, the two-and-a-half-hour smart car sub-venue, Baidu's latest thinking and practice on the smart car business, were all displayed to the outside wor...[Details]

Circuit Description: Security is the most important concern in our daily life. Everyone feels that security is very important, and the door and security at home can be as safe as possible. In order t...[Details]

Next I will introduce to you a HD44780 read-write microcontroller c51 program ＃include 《reg51.h》 ＃include 《intrins.h》 sbit GND_LCD=P1^7; sbit rs=P1^0; sbit rw=P1^1; sbit e=P1^2; unsigned char busy（vo...[Details]

The characteristics of the production of the chlor-alkali industry are harsh environment, strong corrosiveness, flammability and explosion. There are many types of fluid media in production. The main ...[Details]