[size=4][font=楷体,楷体_GB2312]When the transistor is working, the collector sends electrons to the positive pole of the power supply. If the CE terminal is connected to a load, the electrons from the col...
Using WCDMA SMS mode to send Chinese text messages in PDU format, the following error occurs after making the source program: [root@localhost linux_serial_sms]# make arm-uclibc-linux-gcc -g -Wall -c s...
Dear teachers:I am studying MSP430 microcontrollers recently and using MSP430F2121 to make something.Considering that the peripheral needs a 10HZ clock signal, I want to use timer A to complete this f...
I would like to ask if there is electromagnetic radiation of several hundred KHz (for example, similar to an induction cooker, but with a higher frequency and much greater power), what are the protect...
1) My ARM9 chip is connected to a MAX3243, which is an RS232 driver/receiver. What is the function of this chip? Is it a kind of dedicated UART controller? 2) I want to write a driver. Is it based on ...
[i=s]This post was last edited by ljj3166 on 2014-10-28 20:46[/i] [b][size=3]All Quiet on the Western Front Today[/size][/b] [b][size=3]I picked up OPEN1081 and played with it for a while[/size][/b] [...
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]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Analog electronics
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