1. The influence of reactive power (1) The increase of reactive power will lead to the increase of current and apparent power, thus increasing the capacity of generators, transformers and other elec...
I use MSP430f2132 + NRF905 to send data. The data transmission is normal in debugger mode and it is also normal to exit from debugger mode during operation. After exiting from debugger mode and poweri...
As the title says, I want to add my own device to control GPIO0, 1 on this example screen. According to Terasic's tutorial, it seems that I have to regenerate the devicetree file socfpga.dtb on the ca...
It seems that the fsdb file cannot exceed 2G. The problem is that I have a simulation case with a large amount of data , and I want to see the wrong waveform, what should I do? Is there any way to div...
I recently made a VGA video processing board, but the image always has ripples. I suspect it is related to the layout and wiring. I would like to ask experts to give me some advice on this aspect. I w...
After a power outage, an error message appears during startup... Reinstalling doesn't work... Why is this? How can I fix it?
invalid command name "xxxx"
while executing
"LibraryGetMappings $new_ini"
(...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[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]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]