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I use Samsung's f9f208, but I found that many chips have bad sectors. I wonder if these bad sectors affect the use? And how to detect these chips before welding? If there is a programmer with a fixtur...
My purpose is to practice using the power-off non-loss function of the flash. The eight-bit LED light indicates the data t. When the button s1 is pressed, the value of t changes, and then the changed ...
Event IntroductionLooking back at 2019, TI training launched a series of wonderful courses, from basic knowledge theory to application solution support and training.
I believe you have collected a lot...
For unknown reasons, the code written in C language of nboot cannot be run completely. The assembly code is fully executed, but as soon as it jumps to the C function main, a problem occurs. The functi...
[b][size=36px]Fast optocoupler 6N137, optocoupler isolation for PWM and VF conversion, linear optocoupler TIL300, linear optocoupler LOC210, capacitive coupling ISO124 and other optocoupler performanc...
Photovoltaic inverters are the core equipment of photovoltaic systems. Their main function is to convert the direct current generated by photovoltaic modules into alternating current that meets the...[Details]
In 2017,
Sanan Optoelectronics
achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]
On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
The status of interrupts in developing embedded systems is absolutely unquestionable. In the era of C51 microcontrollers, there were only 5 interrupts, including 2 external interrupts, 2 timer/counte...[Details]
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
Recently, the " ZTE
incident"
caused by the Sino-US trade war
has caused heated discussions in the electronics industry. It not only reflects that Chinese companies are lagging behind in the...[Details]
China Energy Storage Network:
Blockchain + finance, blockchain + environmental protection, blockchain + insurance, even a roadside fried chicken shop is using the banner of blockchain + fried...[Details]
In Windows environment, the source code is encoded in UTF-8. If the source file created by STM32CubeMX contains Chinese comments, then using STM32CubeMX to regenerate the source code will cause the C...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
I slightly changed the lyrics of Yu Quan's song "Running", which seems to be
a reflection of the current state of
Huawei Cloud
. At the annual Huawei Analyst Conference held on April 17,
Zh...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]