When using the protocol stack for communication, the terminal communicates by polling the parent node to see if there is any message of its own. So after using inter-pan, does it mean that the termina...
MIT Open Course: Circuits and Electronics : https://training.eeworld.com.cn/course/5372This course introduces the fundamentals of lumped circuit concepts. Topics include: resistor elements and network...
I just bought a Samsung 2410 board and want to develop a GPRS module. Could you experts please recommend a cost-effective module (it only needs to support the TCP/IP protocol stack)? By the way, if an...
Pulsating vacuum sterilization is a new type of sterilization equipment developed in China in the mid-1990s. Due to the use of pulsating vacuum technology, it has good sterilization effect and is wide...
Two years ago, I wrote a post called "Life Satisfaction Curve": According to the survey conclusion of David G. Blanchflower, an economics professor at Dartmouth College, under normal circumstances, th...
BSP was transplanted from CE5 to CE6. After Eboot started, NK was downloaded to RAM through PB and then launched directly, but NK did not run. I opened trace in the assembly and found that after the l...
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]