As the title says, my CPU is s3c2440, and the chip select of the chip connection is nGCS4, so the address should be 0x20000000. But the offset address below the driver uses 0x20000300. How is this obt...
I connected a MC35IT to the PC serial port and wanted to use AT commands to dial up the GPRS network, but failed. The results are as follows: OK at+cgatt=1 OK at+cgdcont=1,"ip","cmnet" OK at+cgact=1 O...
PPTC device technology has been widely used in overcurrent and overheating circuit protection designs for portable appliances, mobile phones, computers and telecommunication equipment. The new standar...
1. Unpacking the board
When I received the development board, I couldn't wait to open the box. Compared with other development boards, the first thing I saw on the RVB2601 development board of Pingtou...
The recommended width of the power and ground wires on the Internet is much larger than my 10mil, but my maximum current is only 350mA. Is this okay?...
Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[Details]
The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy.
At the same time, por...[Details]
In the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
When there are many TVs, VCD...[Details]
WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
With the development of supermarket industry and the strengthening of loss prevention awareness, the use of electronic anti-theft equipment (EAS) has become very popular in various parts of the countr...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
1 Basic structure and function of implantable cardioverter defibrillator (ICD)
ICD consists of two parts: the pulse generator and the electrode lead. The main components of the pulse generator...[Details]
Abstract This paper
introduces a wireless radio frequency transmission chip nRF9E5 based on 8051 core. The remote control system of flapping-wing micro-aircraft is made by using this chip. Th...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data,...[Details]
The microwave multifunctional therapeutic device uses microwave radiation for heating treatment, which can achieve the effects of sterilization and blood circulation. Using microwaves to directly c...[Details]
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more intuitive. Laser ...[Details]
LED dot matrix blocks have the advantages of high brightness, uniform light emission, good reliability, and easy assembly, and can form display screens of various sizes. At present, LED display scr...[Details]