[i=s]This post was last edited by qwqwqw2088 on 2015-3-15 13:02[/i] [align=left][color=#000] Perhaps the most dreaded and stressful moment for engineers is when their designs come back from the manufa...
Abstract: The use of ultra-high frequency electronic ballasts can effectively overcome the acoustic resonance problem inherent in high-intensity gas discharge lamps, especially metal halide lamps. A s...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i]PCA82C251 24V system CAN transceiver I don't know if you have ever used the PCA82C251 chip to make a 24V transceiver. I haven't d...
Today I read a source code written by someone else, which contains two .ui files, a project file and several cpp and h files. There is also a Makefile and a Makefile.target. There is an executable .so...
Is the CS of the SPI built into the 430 directly connected to the CS of the LT8900? Why can't I drive the LT8900 and write configuration data? Has anyone used the 430 to do this?...
I have collected the signal. Acceleration signal. I want to convert it into displacement. What is the general idea? High-pass filtering? How do I know which frequency band to use? What system function...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]