At present, our company has developed a set of ARM test boards, using the Philips LPC2138 CPU. The H-JTAG pins are connected correctly to the CPU. A few days ago, the CPU could be detected and program...
By Heinz-Peter Beckemeyer, Texas InstrumentsDirect up-conversion is the most cost-effective solution to achieve the transmitter architecture and is the most important specification in base station des...
Has anyone studied the output waveform of a crystal oscillator? I powered on the crystal oscillator directly and used an oscilloscope to check the output amplitude. The result is a positive and negati...
My VC interface is so messy, the workspace and the .cpp on the right are floating on top. Double-clicking maximizes it. How can I restore it to the previous state, where it is embedded?...
Audi 's MMI system is the Windows in the car operating system. Traditional cars use a variety of buttons to control the use of various functions. The MMI system is used just like using Windows or a mo...
I am doing a course design and one of the modules I wrote has a program that always makes mistakes. I have modified it many times but it still cannot be used. The function of this module is like the i...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[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]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[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]
New Automobile
Hydraulic Clutch
The hydraulic control system uses almost 100% advanced engineering plastics, which overcomes the shortcomings of the main and branch cylinders of metal clutc...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
An intelligent vehicle is a robot that can automatically drive in an environment according to a pre-set mode, or it can autonomously perform specific operations according to the on-site situation. ...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[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]
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]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]