I want to use a software to detect the signal when the conveyor belt reverses, so as to record the system time when it reverses. The conveyor belt reversal is controlled by a relay, which can provide ...
[align=center][b][font=宋体]Chapter 30 CAN Communication Experiment [/font][/b] [/align][align=left] In this chapter, we will introduce how to use the CAN controller built into STM32 to implement CAN co...
The 8-pin chip is in the wireless receiver of the laser pen 433. The crystal oscillator is 6.7458Mhz, and the chip is used with SYN450R. The 6th pin of the chip is connected to USB 5V through a small ...
The Chinese are amazingly smart. I have seen a mouse that costs more than 10 yuan. Except for the poor appearance and feel, there is nothing to complain about. This incident made me understand two tru...
[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]Zoro_[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and indi...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
With the development of control, computer, communication and network technology, computer network integrated automation system has been widely used in modern industrial enterprises. The emergence o...[Details]
"The father of knockoff phones" aims to make up for TD's shortcomings
IT Times reporter Lin Fei
On June 22, the day before the Dragon Boat Festival, on the other side of the Taiwan Strait, a m...[Details]