Characters are not retransmitted if USB is reconnected. Prior to this change, if USB was reconnected, some characters in the TX buffer might be retransmitted, fixed by preserving the TX buffer state b...
Abstract: The patch shape of microstrip patch antenna is an important factor affecting the antenna performance. Rectangular microstrip patch antenna and circular microstrip patch antenna are designed ...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:29[/i] Today I signed up for the National Undergraduate Electronic Design Competition. Brothers and sisters, uncles and aunts, please give me...
The simplified version of .net doesn't provide Handle, and Graphics doesn't provide HDC. What should I do if I need to use it sometimes? In addition, everyone, I used the Bitmap class to load a bmp im...
Design of 500WPFC power supply based on IC controller FAN4810 Abstract: The main features of the PFC controller FAN4810 are introduced, and the design procedure and method of a 500W high-performance P...
The power supply outputs 5V stably when unloaded. After adding a 100 ohm resistor as a load, the output voltage is pulled down to 4.7V. What is the problem? How should it be improved? Please give me s...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]