The original 2410 target board I transplanted was the wince4.2 operating system, which can only input English, and there is no input method option to choose in the input panel. I now want to add pinyi...
[size=4][color=#000000][backcolor=white] As the Internet of Things (IoT) cards continue to be popular, more and more companies are starting to choose to buy IoT cards. However, the IoT card vendors in...
[u]I would like to ask you experts, has anyone used wireless modules [/u][u] to send and receive data on different channels? For example, there are two wireless modules A and B, A is the transmitting ...
The touch screen is summarized as an input subsystem. Here it is mainly for resistive screens. Its usage process is as follows: When the touch pen is pressed, an interrupt is generated. In the interru...
[backcolor=rgb(238, 238, 238)]I want to use Ethernet to send the data collected by the lower computer to the PC upper computer for display. An Ethernet data packet contains 100 floating-point data. Ho...
I want to generate a 5KHz triangle wave and a step wave, and synchronize them. The synchronization method is that the triangle wave goes from the maximum negative to the maximum positive, the step wav...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
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]
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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[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]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[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]