Learn and win awards at the same timeLet’s keep it simple and get straight to the point!Event time: From now until October 31, 2019Activity process:
1. Open theBuild a healthy life, achieve powerful t...
[size=4]When the frequency is constant, the larger the capacitance, the smaller the capacitive reactance; the smaller the capacitive reactance, the lower the frequency that passes. [/size] [size=4]The...
In the past few years, the craze for smart wearables has faded by half. After repeated market baptism, some popular wearable device manufacturers have ended up bankrupt or acquired, but there are also...
[align=left][color=rgb(25, 25, 25)][font="]At present, switching power supply has gradually entered our daily life and production. With the advantages of energy saving, environmental protection and hi...
reset circuit In 80C51, the most common reset circuit is the power-on reset circuit in the figure below. It can effectively realize power-on reset and manual reset. The RST pin is active high. Its...[Details]
Excellent circuit design is the fundamental way to produce beautiful sound, which is well reflected in imported amplifiers. The circuit introduced in this article was first seen in some imported ...[Details]
Recently, a delivery robot
that can deliver goods to homes
has appeared on the streets of the UK, breaking the previous state that delivery robots can only deliver in parks. Supermarket cust...[Details]
Introduction
With the rapid development of the automobile industry, the best solution to the air pollution problem caused by automobile exhaust emissions is to develop air pollution-free transportat...[Details]
According to foreign media reports, General Motors and Royal Dutch Shell have reached a cooperation to jointly expand electric vehicle charging networks and home energy plans based on renewable energ...[Details]
0 Introduction
In recent years, wireless sensor network technology has developed rapidly. Due to the free and open characteristics of the 2.4 GHz communication frequency band, various communica...[Details]
void delay_init(u8 SYSCLK) { SysTick- CTRL&=0xfffffffb; fac_us=SYSCLK/8; fac_ms=(u16)fac_us*1000; } The main function of Systick is to be used for timing. Its principle and application are briefl...[Details]
In this article, we mainly discuss the optimization of PHS network (PHS, P network) and the impact of dual-mode mobile phones on PHS network. Wireless network optimization includes the optimization...[Details]
The new medical reform, which aims to enable more people to get better health care at a cheaper price, requires the participation of all sectors of society, and information technology plays a very ...[Details]
Today, the 2024 Munich Shanghai Electronic Production Equipment Exhibition was launched at the Shanghai New International Expo Center. As one of the first manufacturing industry exhibitions in 2024...[Details]
There are many types of smart homes, and various devices are incompatible, but this situation is expected to change recently. According to foreign media reports, Amazon, Google and Apple reached a ...[Details]
According to the deployment of the Central Military Commission and the notification requirements of the four headquarters, starting from May 1, 2013, the entire army will uniformly use new military v...[Details]
According to Lishen Battery’s official WeChat account, Lishen Battery recently launched a 160Wh/kg cylindrical sodium-ion battery. Image source: Lishen Battery official poster screenshot Accor...[Details]
Nowadays, whether we are on the bus, subway or street, we are used to wearing headphones to listen to music or make phone calls, but traditional wired headphones are not only troublesome to carry, bu...[Details]
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