For design engineers who need a quick solution for old serial port based projects, the first attractive strategy is to use a patch system. This can be achieved by adding a custom USB-UART converter be...
Dear all,I use STM32 to implement Virtual COM Port. If only one is plugged into the same computer, it is correct, but if two are plugged in, there will be problems. I wonder if anyone has encountered ...
I plan to use AO3407 as a switch and a CH340 to convert USB to serial port, but it is not used most of the time. The device is powered by a battery because I want to turn off the power of CH340 at ord...
Interrupt is a very important concept, and every microcontroller has interrupts. Different microcontrollers handle interrupts in different ways. Like the Cortex-M4 and M3 , the Cortex-M4 is equipped w...
Please help me: I want to use CVI programming to collect data from multiple points using the 485 serial port. The signals of the 13 points are transmitted to the PC through the 485 bus. The signal is ...
[i=s]This post was last edited by dcexpert on 2016-12-17 21:02[/i] First, let me report on the crowdfunding situation. As of this Saturday, 15 netizens have signed up, and the expected goal has been r...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]