T493A227K006CC6130

Overview of Spring Festival Travel Video Surveillance System The 2010 Spring Festival travel season lasted from January 8 to February 16. According to the latest statistics from the Minist...[Details]

Regarding the protection of low battery voltage, today I have designed a battery power shortage protection circuit for you. The manual switch is a hiccup protection with an interval of about 30 second...[Details]

　　The display effect of full-color LED display is directly related to users and audiences. To obtain a perfect user experience, it is necessary to control and improve the quality of LED display. So, ...[Details]

1. Overview The chute-type punch flowmeter is specially used to continuously weigh the mass flow in the mechanical conveying system without interrupting the material flow. It is an ideal weighing dev...[Details]

Introduction Since the advent of the single-chip microcomputer in the 1970s, it has attracted people's attention and concern for its extremely high cost performance, so it is widely used and de...[Details]

introduction This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]

0. Serial bus standard: RS-232C RS-422A RS-485 1. Serial communication is divided into synchronous communication and asynchronous communication. We usually use asynchronous serial communication. Wh...[Details]

　　Goals: 　　Make a dot matrix screen display system with SMS receiving function, which is used for publishing public information in some public places such as our school and company. This system can r...[Details]

Since its launch on August 20, 2018, the competition has attracted 455 companies and teams to register, of which 217 companies have entered the regional competitions in Nanchang, Wuxi, Beijing and Sh...[Details]

Recently, the People's Government of Hefei City issued the "Hefei New Energy Storage Development Plan (2023-2027)", which mentioned: Development Status 1. New energy storage applicati...[Details]

Buttons control the speed and direction of the motor Source program: #include REG52.H #define uchar unsigned char #define uint unsigned int   #define ulong unsigned long #define CLK_WISE 0 //rotate...[Details]

A programmable gain amplifier (PGA) is a special amplifier structure ( see Figure 1 ) that features a trimmed internal resistor network that provides higher performance than amplifiers using discret...[Details]

Strategy Analytics' latest research report, "Quarterly Brief on App Usage by US Users - Q2 2020", points out that during the epidemic, the APP usage patterns of US smartphone users changed significan...[Details]

In the past few years, we’ve seen a surge in the popularity of wearables across all market segments. It’s not hard to understand why: these products incorporate some of the latest technologies to i...[Details]

　　When engineers use an oscilloscope to measure signals, they may find that the waveform frequencies measured under different time bases are different. If the signal is not a superimposed signal, the...[Details]