I received the board during the Qingming Festival, and I just added the unpacking stickers now. I was shocked when I received the board. The board was protected by two non-transparent acrylic plates, ...
The DSP2812 board I made myself has the following problem: I use the Hezhongda 510PLUS emulator to connect to the DSP, load the .out file, and then go main. Up to this point, the system is normal. At ...
[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...
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]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
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]
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]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[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]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[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]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[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]
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