I use mc39i modem, and I found that pin 31/pd always fluctuates between 0.24v and 2.24v. When this pin is 0v, the modem is powered off. I isolated the control end of this pin with 6n137, input 1 to po...
A few days ago, I drove with a few friends to Niubei Mountain in Sichuan (commonly known as Niu B Mountain, experienced Sichuan hikers know it) and was shocked by the super 12 -inch TFT-LCD virtual in...
A few days ago, I was chatting with a classmate who is a teacher at Renmin University, and we talked about the issue of the post-80s generation. She still has a negative attitude towards the post-80s ...
Is there any problem with the BOOST circuit? Why is it protected when the input voltage is a few volts? Even if the voltage source drops to 0V, there is still a current of a few tenths of an ampere. W...
How can I access the register address of the underlying hardware when using .net for development in Windows CE 5.0? For example, the read and write registers of the parallel port, etc. I searched the ...
StartFragmentIOWR_ALTERA_AVALON_TIMER_PERIODL(TIMER1_BASE,100000000); //Assign value first and then start counting, otherwise the count value will be zero IOWR_ALTERA_AVALON_TIMER_PERIODH(TIMER1_BASE,...
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
Definition of interactive projection system:
Interactive projection systems, also known as multimedia interactive projection, are available in floor, wall, and tabletop interactive projection....[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
Recently, Joyson Electronics has made positive progress in the core technology research and development of the robot's "brain and brain" and key components, and launched the industry's first integr...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
A tubular motor is an electric motor that is typically used to control the movement of machines and equipment. Tubular motors are generally divided into two categories: linear tubular motors and ro...[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]
A scale, a large, ground-mounted scale, is typically used to measure the tonnage of truck cargo. It's the primary weighing device used in factories, mines, and businesses for bulk cargo measurement...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
Civilian internal combustion engines operate in the range of approximately 1000-4000 rpm. This results in the engine's kinetic energy being ineffective at low or high rpm, making starting difficult...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
With the prevalence of online conferencing, live streaming, and voice communication in gaming, high-quality audio input devices are becoming increasingly important. To this end, XMOS, an expert in ...[Details]
introduction
The OMAP-L138 dual-core processor is a new generation of low-power single-chip systems (SoCs) from TI. It is widely used in communications, industrial, medical diagnostic, and aud...[Details]
Since the beginning of the 21st century, with the rapid development of my country's urban and rural economies and the improvement of people's living standards, more and more people have begun to ow...[Details]