This is the odometer invented by Vitruvius in the 1st century BC, which is what we now call a taximeter. I didn’t expect that Grandpa Vitruvius would not only write "Ten Books on Architecture", but al...
Reprinted from: https://www.cnbeta.com/articles/tech/1087081.htmSecurity company Corelium is working on advancing Linux distributions for M1 Mac devices, and announced last month that it had initially...
[color=#666666][font=Arial, Microsoft YaHei]This is my experience in debugging a single-stage PFC power supply over the past year, and I would like to share it with you. [/font][/color] [color=#666666...
Internal tri-state signals are not recommended for FPGAs because the device architecture does not include internal tri-state logic. If designs do use internal tri-states in a flat design, the tri-stat...
I designed a program that records temperature and pressure at regular intervals and stores them in the flash of the microcontroller. I want to read out the contents recorded in the flash after a perio...
[i=s]This post was last edited by paulhyde on 2014-9-15 04:16[/i] [b][color=#000000][font=宋体][size=10.5pt]Huang Zhiwei, University of South China[/size][/font] [font=宋体][size=10.5pt]Note that there ar...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
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