When using socket communication, whether it is internal communication within the local machine or communication between two machines, whether it is TCP or UDP, IP and port numbers must be specified. I...
[i=s]This post was last edited by liweicheng1985 on 2022-1-10 08:23[/i]In 2021, the Lunar New Year of Xin Chou, let's make a summary, connect the past and the future, and welcome the Lunar New Year of...
MSP430F5438A interrupt problemWrite a simple program to enter the interrupt, first enter the interrupt condition:
1. The clock source is configured
2. The interrupt register is configured
3. The inter...
The knowledge I learned is too rigid. If the circuit form is slightly changed, I don’t know what to do. Could you please teach me how to calculate the magnification in the attached figure? Thank you!...
DHT22 (AM2302) is a calibrated digital temperature and humidity sensor used to detect ambient temperature and humidity, with a standard single businterface. It has higher accuracy and a larger range t...
On April 28, 2022, Huawei officially released its foldable flagship mobile phone Huawei Mate Xs 2. Continuing the classic outward folding design, Huawei Mate Xs 2 is ultra-light, ultra-flat, ultra-re...[Details]
Imagine that when you walk into the living room, your phone immediately displays the room's lighting, temperature, and TV settings. When you leave the living room and enter the bedroom,...[Details]
1 Basic principles Following the last blog s3c2440 learning path-010 sdram, sdram has been initialized, and now the value of SDRAM can be officially brought into play. (SDRAM can be read and written ...[Details]
Introduction
Remote control devices are very common in daily life. Remote control devices for home appliances and toys make it easy for users to control devices. Remote control devices are desi...[Details]
Since the voltage of Lucid Air is very high, 924V. Here are several functions:
● Low-power DC power distribution part: including contactors and fuses, mainly connecting PTC, electric compresso...[Details]
STC has built-in AD, but it has many functions! It is bound to be more complicated to control! Unlike external AD. If STC does not use the interrupt AD mode, you need to pay attention to the followin...[Details]
1. Introduction The static display system of digital tubes needs to occupy too many single-chip microcomputer lines, but it can ensure normal brightness. In order to solve the problem of occupyi...[Details]
Preface:
At present, single-chip microcomputers are widely used in home appliances, industrial production and other fields. In order to meet the different requirements of different products fo...[Details]
How to assign a variable to a specific address Example: unsigned char temp_A@0x00; //define unsigned variable temp_A and force its address to be 0x00 unsigned char temp_B@0x100; //define unsign...[Details]
One-to-many communication (using the 9th bit as the distinguishing bit between address and data) protocol: 1) The host sets SM2 = 0. All slaves set SM2 = 1 in the initial state; 2) The host sen...[Details]
Ookla has just released a list of airports around the world that offer the fastest free Wi-Fi networks in the first quarter of 2022. The analysis focuses on mobile connections for free Wi-Fi pro...[Details]
Download the entire project:
http://www.rayfile.com/zh-cn/files/b8f67659-d773-11df-b350-0015c55db73d/f0ec1fdf/
Core code:
/********** AVR Run Time Test Program**********
* Version..........[Details]
The following are screenshots of nvic of lpc. You need to turn on online simulation before taking screenshots~
It can be seen that the exceptions numbered 2-16 are unique to the cm3 core, not ...[Details]
When debugging, first observe whether the resistor to be tested works normally. Insert a voltage probe at the changing end of the resistor. For specific methods, select the voltage probe (Voltage) i...[Details]
1. Introduction
With the development of online video platforms, users' demand for 4K high-definition quality is growing. However, many users have found that even if they have purchased m...[Details]
ARM Technology
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