Description: 1. There is a group of operable equipment in a certain place, and a remote monitoring computer in another place (in the same urban area). 2. When personnel operate the equipment, various ...
According to foreign news reports:
The Free Software Foundation (FSF) launched a petition on January 24 and collected signatures, calling on Microsoft to provide Windows 7 as free software in order to...
As shown in the circuit diagram, the electrolytic capacitors C13, C11, C15, and C16 in the power supply part were all tantalum capacitors at the beginning. There is a very strange phenomenon, that is,...
I have set the environment variables in the BAT configuration file: set WINCEMAP=1 set WINCECOD=1 After compilation, the corresponding .map and .cod files should be generated. However, the .map file c...
I am writing an evc serial port program for serial communication between arm and dsp. But I have encountered a problem in writing and debugging. This is the serial port receiving thread in the program...
I use TRF7960 to read and write M1 cards. The circuit part refers to the evaluation board of Lm3s9b96. The antenna part on my board has output 13.56M sine wave. Now I can read and write registers (0x0...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
LED (Light-emitting diode) is widely used in indication, display and other fields due to its advantages such as long life and low energy consumption. Reliability, stability and high light output ar...[Details]
: Ambiguous operators need parenthesesAmbiguous
symbol ``xxx``Argument
list syntax errorArray
bounds
missingArray
size
toolargeBad
character
in paramentersBad
file
name format in i...[Details]
Beijing time, July 2 morning news, Google last week released its own brand tablet computer Nexus 7, equipped with its latest operating system Android 4.1 "Jelly Bean". But market research firm Ovum sa...[Details]
Thyristor is the abbreviation of thyristor, commonly known as silicon controlled rectifier. It is a high-power switching semiconductor device, represented by the letter symbols "V" or "VT" in the c...[Details]
1 Introduction
The automobile drum test bench (also known as chassis dynamometer) is a large-scale indoor automobile test equipment and a bench test system for completing automobile whole vehi...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
