Newbie help: When using Zigbee to forward serial port data, the sending fails all the time. The code is as follows: [code] if( AF_DataRequest( &SampleApp_Periodic_DstAddr, &SampleApp_epDesc, SAMPLEAPP...
I recently read the TL431 manual and understood the basic principles and applications. The manual contains the internal triode circuit of TL431, but I don't quite understand it. Can someone give me so...
I wrote a simple TCP socket chat program in evc, based on dialog, and added three edit controls on the interface, which are used to store receiving information, IP, and sending information respectivel...
IGBT module technology, drive and application : https://training.eeworld.com.cn/course/67813This book first introduces the internal structure of the IGBT, and then derives the IGBT variants through ci...
Active filter problems encountered at work (I don't remember the values of all the components in the figure, so they are not marked. The op amps all have non-inverting inputs and are powered by a sing...
1. Compared with copper grounding, the advantage of single-point grounding is that the battery circuit will have less impact on current fluctuations, but will the electromagnetic shielding effect be g...
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]