[i=s]This post was last edited by freebsder on 2019-3-26 12:00[/i] [align=left][b][size=15.0pt]Generic Attribute Profile (GATT)[/size][/b][/align][align=left]Just as the GAP layer is responsible for c...
September 29, 2011 8:30:261. assign is generally used in combinational logic, and the variables thereafter must be of wire type; for input and output variables, if their types are not declared, the de...
In the analog electronics course, the RC sine wave oscillator circuit composed of the LM324 op amp uses the Wien bridge circuit. However, the teacher requires the frequency to reach 100KHz, saying tha...
Anyway, I have no idea at all. This operating system is too difficult to learn... I don't know where to post, so I'll post it here. If you have any ideas, please tell me and we'll all give you points!...
Due to product needs, I have come into contact with two chips, STM32 and STM8S. Considering the scalability of functions, I first chose to use the STM32F103 chip, which is very convenient for programm...
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]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[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]
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]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
Introduction
In the wastewater discharged from steel plants, the water contains a large amount of waste slag and oil. If the waste slag and oil are separated from the water, the water can be us...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
The single-chip automatic alarm device composed of MODEM chip can transmit alarm information over long distances with the help of the telephone exchange network within factories and enterprises, or...[Details]
1. Overview
In the configuration of the automation system, we must ensure that the system is advanced, reliable and reasonable, and avoid redundant functions and reduce investment costs. From 2...[Details]