For GPRS data transmission. The module used before often disconnects in places with weak signals and cannot work properly. Now we need to replace it with a module with better performance. The main req...
[i=s]This post was last edited by Maoqiu Dada on 2021-11-2 15:33[/i]This tutorial is mainly to connect the STM32F407 Explorer development board to Gizwits Cloud through the China Mobile Cat.1 4G modul...
This is my first time developing a PCI9054 driver under vxWorks, and I have encountered many problems. The card is correctly accessed using memory mapping under Windows, but I have not tested access u...
When I was posting a blog, I could only select tags with the mouse, and the webpage would go blank when I typed keywords on the keyboard. I began to suspect that it was a browser problem, so I switche...
Friends who have been learning FPGA for a while, do you have better ideas for divider design? At present, my ideas are limited to [color=red]shift -> compare -> subtract[/color], and I hope friends wi...
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]
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]
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 the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[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]
Pulse compression technology refers to the process of modulating the wide pulse signal emitted by the radar (such as linear frequency modulation, nonlinear frequency modulation, phase coding), and ...[Details]
With the rapid development of industrialization and urbanization, people's living environment is facing severe challenges due to the environmental damage caused by life and production. As an enviro...[Details]
In view of the fact that a single ordinary type of fire detection alarm can no longer meet the demand, the use of multiple sensors to comprehensively collect various abnormal information before a f...[Details]
introduction
With the development of production technology, the application of power electronics technology has penetrated into all aspects of industrial production and social life. At pre...[Details]
introduction
Limited bandwidth and the increasing demand for new wireless services have paved the way for the adoption of new technologies in the communications field. These non-traditiona...[Details]
IGBT Overview
1.1 Structural characteristics of IGBT
IGBT is a high-power, integrated "Insulated Gate Bipolar Transistor". It is a new type of composite electronic device develope...[Details]
O Introduction
Power supply is an important component of every electronic device. According to the requirements of the International Electrotechnical Commission standard IEC 61000-3-2, the...[Details]
Overview: In recent years, small supermarkets (standard classification: convenience stores) have developed rapidly. The open-shelf operation and 24-hour operation of small supermarkets have brought...[Details]