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This is a commonly used program segment - a subroutine - a standard program, which obtains input data or controls output data through port scanning to achieve the purpose of saving bits or bytes - sa...[Details]

Keywords: ldr, equal sign before immediate value, mov ARM is a RISC structure. The movement of data from memory to CPU can only be completed through L/S instructions, that is, ldr/str instructions. I...[Details]

Analog Devices Inc. (NYSE: ADI) recently announced that OrthAlign has selected ADI's high-performance iMEMS inertial motion sensing technology for its new portable surgical navigation system to con...[Details]

　　A switching power supply is a power supply that uses modern power electronics technology to control the on-off time ratio of the switch tube to maintain a stable output voltage; the principle of an...[Details]

The QR code (Quick Response, abbreviated as QR) was invented by Japan's Denso Wave company. When it was first invented, it was only used in the industrial field. In recent years, with the emergence o...[Details]

Single-phase energy meters can be divided into inductive single-phase energy meters and electronic energy meters. At present, most households use inductive single-phase energy meters, and their commo...[Details]

There are currently three popular ways to establish an ARM Linux cross-compilation environment under the Linux system. 1. Use the development tool chain compiled by others cross-2.95.3.tar.bz2 ar...[Details]

Pure silicon oscillator is a new generation of crystal substitute. Compared with the limitations of quartz crystal materials and their oscillation principles, it has certain improvements. In additi...[Details]

Recently, according to foreign media reports, Ford Motor Company announced a partnership with McDonald's USA to use coffee beans, the raw material of people's familiar daily breakfast drink coffee, ...[Details]

According to SamMobile, a fire broke out at Samsung Electronics' warehouse in Samutprakarn Province, Thailand last Sunday evening, causing a large amount of goods to be damaged, but fortunately no ca...[Details]

1 Introduction With the rapid development of portable mobile devices, power chips are more widely used, and LDO chips are an important power chip. However, in the event of an output sh...[Details]

On the eve of the Spring Festival, many industrial robot companies released their 2023 financial report forecasts. After experiencing the critical period of economic recovery in 2023, the p...[Details]

1) Memory read operation. For example, if you want to read out the content 50H in memory 40H, the process is as follows:     ①The CPU sends the address code 40H to the address bus, and the memory a...[Details]

In many cases, industrial sensors were and still are analog, with sensing elements and some way to transmit the sensing data to the controller. Data is transmitted in a unidirectional analog manner...[Details]

Use rpm -qa | grep tftp to check whether the tftp server is installed If not. tftp: yum install tftp* (yum install xinetd tftp tftp-server) Tftp configuration file is in vi /etc/xinetd.d/...[Details]