Very tangled. I wrote a program to scan the on-board button S2, using the interrupt method. But I am confused. (S2 corresponds to the P1.3 pin) In my main program, I clearly set P1.0 to a low level du...
I use the smart card mode of STM32's UART3 to connect a smart card, but it doesn't work properly. Specifically, I have to reset the smart card mode every time before reading the smart card, otherwise ...
Please help me, I want to use the timer of msp430g2553 to write a PWM wave with dead zone output, and can also adjust the frequency (above 300K) and duty cycle. Although I wrote it myself, it is not i...
Circuit diagram: I don't understand this circuit. Can someone explain the principle? The following is my own analysis of this circuit. Please correct me. When ui=0, D1 and D2 generate a forward bias v...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
International Solar Photovoltaic Network News: Chinese inverter company Sungrow announced that it will build a 3GW photovoltaic inverter manufacturing plant in Bangalore, the capital of Karnataka, ...[Details]
Recently, the U.S. Department of Commerce announced that it would prohibit companies in the country from selling any electronic technology or communication components to ZTE, a Chinese communicatio...[Details]
Designing for automotive LCD displays larger than 5" can be complex. The display source driver requires a supply rail called analog voltage device drain (AVDD) in the 10V to 15V range and two supply ...[Details]
ZTE,
caught
in the vortex of
the US ban on the sale
of chips
, has sounded the alarm for China's information technology industry and revealed China's "chip disease". Let's follow the ...[Details]
Recently, the results of the 2018 German Red Dot Design Award were announced. GoodWe, a company located in Suzhou High-tech Zone, stood out among thousands of outstanding design products from 5...[Details]
In order to strengthen the management of new energy vehicle charging facilities in our city, prevent and reduce accidents, protect the lives and property of the people, and improve the public safet...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
1.MAX31865 (1 Introduction The MAX31865 is an easy-to-use thermistor-to-digital converter optimized for platinum resistance temperature detectors (RTDs). External resistors set the RTD sensitivity, a...[Details]
After searching a lot of information, I finally understood the time base timer. I did not use any library functions but operated the registers directly. The following introduces the systick in STM32...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab; 2. About the transplantation of DSP li...[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]
Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]