I'm making an electronic keyboard recently, using a 51 chip, but I can't tune the corresponding tone. Please help me, is there a problem with the circuit or the program? My idea is to generate a squar...
The microcontroller is PIC16F688. I use the interrupt function void interrupt isr (vvoid) {...} and it stops in the interrupt after running, but does not enter the above interrupt function. Is the for...
Author: Liang Hongbing Published: 2006.07.18 15:10:01 Source: CCID Network - China Electronics News 1[ Post a comment ] [Font size: Large, Medium , Small] [ Print ] [ Enter the blog ] [ Enter the foru...
[align=left][color=#000000]The vast majority of electronic components, such as resistors, capacitors, and speakers, are finished products produced by the production department according to the specifi...
I have been working overtime these two days. Yesterday, I was upside down. I occasionally browse the forums and found that there is a lot of trouble in the forums these two days...I just saw eric_wang...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:56[/i]The password switch shown in the figure is composed of 10 keys, including 6 valid keys and 4 pseudo code keys. Since the valid ke...
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
EtherCAT (Ethernet for Control Automation Technology) is a real-time industrial fieldbus communication protocol based on an Ethernet-based development framework. EtherCAT is one of the fastest indu...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
The mass production process of the new generation of cockpit platform has started, and the smart cockpit market has entered a new bonus cycle of technology iteration and platform upgrade.
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In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
Since the beginning of this year, price wars have intensified, new models have been launched one after another, used cars with zero kilometers have become a hot topic, and the industry's internal c...[Details]
While the current industry consensus is that autonomous vehicles are robots and that their systems are managed using robotics-developed thinking, there are also cases where autonomous driving is ac...[Details]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
Compared to cloud databases, minicomputers are purpose-built for decentralized, rugged computing at the edge of the network. By moving applications, analytics, and processing services closer to the...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Office (USPTO) for a patent for a door anti-collision system that may be used in future Ford vehicl...[Details]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[Details]