Urgent help. Is it necessary to configure the interrupt priority of stm32? I use usart1, usart2 and uart4. The data is sent too fast, the program is easy to run away, and even the interrupt cannot be ...
Headhunting position [Huizhou] Job responsibilities: 1. Responsible for completing the technical investigation of new projects, writing design task books, and proposing software design plans; 2. Respo...
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Recently, the US embargo on ZTE has attracted much attention. Let's take a look at the relevant content with the automotive electronics editor. On April 16, local time, the U.S. Department of Co...[Details]
After we understand the use of libopencm3, we find that libopencm3 is only suitable for small projects. Its biggest feature is the convenience of USB. So when we configure large projects, is there a ...[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]
In the Chinese automobile market, the trend of new energy vehicles and driverless cars is leading the transformation of China's automobile industry. As the world's largest automobile market, "Chinese...[Details]
Temperature, humidity and irradiance are must-measure items in the photovoltaic industry. However, most of the current data collection is done by storing data in USB flash drives for offline analys...[Details]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[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]
Use common anode digital tube and independent keyboard to connect P1 and P2 ports of single chip to realize answering machine The procedure is as follows: #include reg52.h void delay(unsigned char n)...[Details]
Assume that both the augend NA and the addend NB are three-byte compressed BCD codes, which are stored in the internal RAM units 20H~22H and 30H~32H, respectively, with the low digit first and the hi...[Details]
As an important branch of the power electronics industry, the technological progress of photovoltaic inverters is highly dependent on the development of electronic components and control technology...[Details]
In one of my products, there are two chips, AVR and PIC, at the same time. When AVR drives the relay, then drives the contactor. PIC is used for display. I found that PIC actually has a little interf...[Details]
Pay attention to whether the new lock matches the old door Smart locks have many advantages over traditional mechanical locks. Although the domestic penetration rate is not high, with the strength...[Details]
MSP430 MCU controls stepper motor with display program #include "msp430x22x4.h" #define uchar unsigned char #define uint unsigned int #define comm 0 #define dat 1 #define sclk_1 P4OUT|=0x01 //sc...[Details]