Pointer learning in C language (transfer)The concept of pointer A pointer is a special variable that stores a value that is interpreted as an address in memory. To understand a pointer, you need to un...
[size=5]As an old friend of eeworld, I am very honored to open source my recent experience here: [/size] [align=left]Qingfeng used the STM32F051 series in a project. It was risky to choose the STM32F0...
[i=s]This post was last edited by Maoqiu Dada on 2022-6-29 17:07[/i]1 System requirements(1) Measure the temperature, humidity, smoke concentration, and propane concentration in the laboratory;(2) Det...
The weather is unpredictable, sometimes hot and sometimes cold, so all you need to do is take good care of yourself and put on more clothes when it's cold......
As the title says, if unicast is used for transmission, how to set the terminal node? I use unicast to transmit, but the terminal always cannot receive data. I don't know why. I have been learning for...
【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]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[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]
Serial Port: 一. USART_ITConfig(USART1, USART_IT_TXE, ENABLE): As long as the transmit register is empty, there will always be an interrupt. Therefore, if you are not sending data, turn off the tran...[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]
This paper combines embedded control technology with network control technology to realize the design of temperature control system based on single chip microcomputer through Internet control. Th...[Details]
What are your expectations and ideas
for
the future of
Xiaomi Mi Band
?
Xiaomi Mi Band’s
official Weibo shared many netizens’ thoughts on
the future direction and functions
of Xiao...[Details]
Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[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]
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]
This program sets the LED running light and the 0-16 numbers of the 0th position of the digital tube to light up in a cycle. The digital tube program cannot be put into the main function, because the...[Details]
The single-chip microcomputer running light program requires all 32 serial ports to be used, and each serial port has eight LEDs. Question supplement: The 8051 single-chip microcomputer is used, an...[Details]
A simple experimental programming question for the microcontroller: write a 3-byte binary addition subroutine. The program entry is: addend 1: 22H, 21H, 20H three bytes, 22H is the highest bit; adden...[Details]