The same data packet! The PC and LED screen communicate normally! The mini2440 serial port and LED screen communication have no response! Then connect the mini2440 and PC and check the serial port dat...
I learned from E2E that motorware has been upgraded to version 15. I have been downloading since the first version, and now it is version 15. To be honest, I like and dislike this upgrade. Why do I sa...
The client sends data packets through the socket periodically. Each packet is about 1K. If a small number is sent in a cycle, it is normal. If too much is sent, the connection will be disconnected. Wh...
[i=s]This post was last edited by Brother High on 2014-10-21 16:07[/i] :Cry:I got the Open1081 board a few days ago, and I have quite enough time these two days, so I decided to play with it.However, ...
If hot boot is not considered, can the 64KB memory at 0xffff0000 be used to store data via DMA? If so, is there anything I need to pay attention to? Is it OK to use mmap in Linux? Thank you....
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
Shenzhen Baowei Power Supply high frequency pure sine wave power, communication inverter power supply has two communication interfaces, RS232 and R485 interfaces, their functions and characteristic...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[Details]
In this final installment of a five-part blog series, I will discuss noise in op amps driving headphone loads and some techniques for reducing it. Previous posts have discussed headphone load power...[Details]
The intelligent
dust monitoring system intelligently monitors dust concentrations at and around construction sites. All concentration values are transmitted to a cloud server for
cloud co...[Details]
The primary control objective in this case is the display and alarming of data parameters on the Xinheng control scale instrument. The system's main PLC uses a Siemens CPU, and data is collected vi...[Details]
According to foreign media reports, Apple is secretly evaluating several artificial intelligence hardware concepts, including smart home displays, security devices and a desktop robot, of which the...[Details]
introduction
At present, all major countries in the world are vigorously developing marine affairs. However, there are various uncertainties and unknown factors in the ocean. Underwater robots...[Details]
Do electric cars emit radiation? The answer is: yes! In fact, electromagnetic radiation is ubiquitous in our lives. The Earth itself is a large magnetic field. The interaction between electric and ...[Details]
Many battery-powered systems and Internet of Things (IoT) applications—such as smart meters, smart health products, video doorbells, robotic toys, personal hygiene products, and electronic locks—in...[Details]
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//38k NEC coded reception and analog transmission
//Complete signal composition: gui...[Details]