The frequency is calculated by detecting the time between the two peaks of the wave. However, for waves of 2500HZ and less than 2500HZ, the light driven by P1.0 is on. Finally, I check the register an...
Welcome to Power Design Tips! With the emphasis on the need for more efficient and lower cost power solutions, we have created this column to provide you with some helpful tips on a variety of power m...
We welcome people who meet one of the following conditions to contact us. Our website is www.nerc.com.cn. Email address for sending resumes is whl668@epri.ac.cn. 1. More than 2 years of experience in ...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
【JDPCB】Qisda is introducing smart factories in phases. Chairman Chen Qihong said yesterday (25th) that through high automation, order delivery can be accelerated. The current benefits have reached a...[Details]
On April 17, the U.S. Department of Commerce suddenly announced that it would completely ban U.S. companies from
selling parts, goods, software and technology
to
ZTE
within 7 years. This als...[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. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[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]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
Note: This STM32 microcontroller is the STM32F103 series. The ADC of Stm32 has DMA function. This is beyond doubt and is what we use most! However, if we want to sample a signal (such as a pulse sign...[Details]
DMA: 1. When using DAC, when the converted analog signal is output through the IO port, why is the IO port also configured to input mode? PS: The stm32 manual defines that PA4 and PA5 are connected...[Details]
Since 2018, the field of artificial intelligence chips has been very lively. Especially in China, the rich vertical application scenarios have provided fertile ground for the development of AI chip...[Details]
China Energy Storage Network News:
2017 is the year when China's energy internet policy was implemented. Since the National Energy Administration issued the "Notice on the Announcement of the...[Details]
Recently, the "2018 Household Photovoltaic Development Seminar" was successfully held in Hangzhou, Zhejiang Province. Sungrow attended the conference as a special co-organizer and summarized the statu...[Details]