2M390MS076M1206-20N

In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[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. Purpose         In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]

1. Development Environment       1. Applicable chips: All STM32F4 chips       2. Firmware library: STM32F4xx_DSP_StdPeriph_Lib_V1.8.0       3，IDE：MDK517 2. Driver source code       Delay.h...[Details]

When Amazon launched its first cloud computing service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[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]

LAN8720 configuration:  IP: 192.168.192.30  Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]

This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]

At present, in the world, the construction of smart cities is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]

　　Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[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]

1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[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]

The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]

In mid-to-late 2016, a girl from Hubei came to Beijing alone, full of curiosity about cloud computing . The girl left the deepest impression on me was her lovely smile. She told me that if ...[Details]