[align=left][b]System Introduction[/b][/align][align=left] This system adopts the international standard ZigBee wireless communication technology, integrating personnel positioning, attendance managem...
[i=s]This post was last edited by wolfcan on 2016-9-21 20:57[/i] Hello experts, I am working on control algorithms, but I need to make a hardware circuit for experiments. Now I have a question for you...
The 485 protocol format is generally used for large-scale communication of single-chip microcomputers. I checked the information of 485 IC 65HVN3082, which says "1/8 load--the bus can connect up to 25...
How is the memory initialized in the startup code? How is the stack initialized? How is it implemented? What is the result of the implementation? I have read many explanations of the startup code but ...
When I use jpeg to decode .jpg images, jpeg_read_scanlines can only read the information of each line, so the decoding is very slow. Is there any way to increase the decoding speed?...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
After the development of the single-chip microcomputer application system is completed, the system often freezes at the work site due to noise interference, electromagnetic interference, overvoltag...[Details]
0 Introduction
For a long time, rats have caused great trouble to family life and agricultural production. However, existing mechanical methods, chemical methods and biological control methods all h...[Details]