The basic working principle of RFID technology is not complicated: after the tag enters the magnetic field, it receives the radio frequency signal sent by the reader, and uses the energy obtained from...
Have you ever experienced the legendary unmanned retail store? It is said that you can enter the store by face recognition, and there is no cashier. You can take the money and run away. It is full of ...
I bought a linux development board, learned how to use nfs server.
The server has been built, and now it needs to be used. An address needs to be assigned to the development board.I listened to the vi...
Luxexcel, a technology leader in 3D printed prescription lenses, has partnered with WaveOptics, a leading waveguide and light engine design and manufacturer, to develop an innovative module that inte...[Details]
In May this year, the United States announced that it would stop granting temporary exemptions to eight Iranian oil buyers, including China, Japan and India. After the oil ban, this was not enough. ...[Details]
Practical skills | The wisdom of the simplest IO driver From microcontrollers to ARM7, ARM9, Cortex-A8, from uC/OS to WinCE, Linux, GPIO drivers are the simplest and easiest to write. But ar...[Details]
On August 12, the production launch ceremony of Changsha Anmuquan Intelligent Technology Co., Ltd. was held in Changsha High-tech Zone. The company's production marked the completion of the gap in ...[Details]
//Bitband operation to achieve GPIO control function similar to 51 //For specific implementation ideas, please refer to Chapter 5 (pages 87-92) of CM3 Authoritative Guide . //IO port operation macro...[Details]
Today, OPPO announced on Twitter its first self-developed retractable lens mobile phone. Details of this phone will be officially revealed at the OPPO Future Technology Conference. Mobile pho...[Details]
Although Buffett's company Berkshire Hathaway owns 5.6% of Apple shares, worth more than $70 billion, Buffett has only used flip phones for the past few years. According to statistics, in 20...[Details]
The domestic Loongson 1A handheld computer and ReWorks embedded operating system provide a unified interface for upper-level applications by transplanting the touch middleware tslib, realizing the ca...[Details]
Because when driving the bare board, it needs to be interrupted Exception MMU MMU is a memory management unit in the CP15 coprocessor, which is embedded in the ARM chip. Its function is to map virtua...[Details]
To those accustomed to making high-bandwidth measurements with an oscilloscope, power measurements may seem simple because of their relatively low frequencies. In reality, power measurements presen...[Details]
Optimistic about the business opportunities in the Internet of Vehicles, foreign media reported that TSMC's latest plan is to equip it with a 7-nanometer automotive semiconductor solution, and its ri...[Details]
Analog operation circuit is a circuit form of integrated operational amplifier connected into negative feedback, which can realize various mathematical operations such as addition, subtraction, i...[Details]
Soft start and star-delta start are two common motor starting methods. They have certain differences in starting current, starting torque, starting time, etc.
Soft Start
Soft st...[Details]