There is a set of data stored in a text file in the format of "time 1" "data 1" "time 2" "data 2" . . . "time N" "data N" It is required to print a curve chart of the relevant data~~ I have been think...
Chapter 1 Basics of Embedded System Design. 1.1 Introduction to Embedded Systems 1.1.1 Definition of Embedded Systems 1.1.2 Composition of Embedded Systems 1.1.3 Characteristics of Embedded Systems 1....
In combinational logic, sometimes it is necessary to strengthen the driving capability of an output pin, so an open collector output pin is used. However, there is little difference between the two, e...
[i=s]This post was last edited by alan000345 on 2019-9-29 07:41[/i]The role of small base stations increases with the increase of "G". It is said that with the release of the 5G NSA standard and the "...
[i=s]This post was last edited by paulhyde on 2014-9-15 04:27[/i] Is there anyone who is free and can help me solve some problems? I am not very professional in single-chip microcomputers, and I need ...
Sensitivity?
Sensitivity refers to the sensitivity of the device to the gas being measured. The sensitivity is usually expressed by the ratio of the resistance of the gas sensor in a certain concentra...
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[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]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[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]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[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]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[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]
1. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[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]