I want to use a single-chip microcomputer to control the on and off of 5V DC. I want to use a chip to detect the high and low levels of the single-chip microcomputer to control the on and off of the p...
Every development of communication technology will lead to changes in mobile phones. From 2G to 4G, mobile phones have undergone tremendous changes. Now that the 5G era has begun, will our 4G mobile p...
Based on the previous two chapters, we will begin to introduce the general concepts of models. In the model/view architecture, the model provides a standard interface for views and delegates to access...
module temperature (clk,dq, d,cont,temp); input clk;//clock 1MHZinput dq;//digital temperature serial input portoutput d;//control signal output portoutput cont;//Three-state gate control signaloutput...
1. The GPIOgeneral-purpose I/O module (GPIO module) is equipped with complex logic multiplexer control circuits and multiplexing registers to multiplex digital I/O (GPIO) pins, all on-chip peripheral ...
I won’t draw the picture, I’ll borrow the picture from https://bbs.eeworld.com.cn/thread-1118817-1-1.html
Since the zero point drift of this type of amplifier is very serious, it is basically rarely u...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[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]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]