[i=s]This post was last edited by damiaa on 2022-9-5 10:46[/i]【Jiajiabao】 esp32s2 mqtt analysis
1,【Jiajiabao】Analyze esp32s2 wifi sta and then analyze mqttThe wifi is initialized in app_main.c (see es...
1. Overview
Generally, a radio mainly uses an antenna to receive electromagnetic waves, and then amplifies the electromagnetic waves, filters them , mixes them , demodulates them , and plays them. The...
Source: The Paper
Li Zifeng, a teacher at Hebei Yanshan University and a recommended project for the 2021 Hebei Science and Technology Award, has attracted attention for his research titled "Adhering ...
PWM stands for Pulse Width Modulation. This article will use FPGA to generate PWM to drive the LED circuit.1. Design requirementsDefine a pulse width counter cnt1/cnt2, which are used to generate tria...
When using DSP algorithms on FPGA, can I only use the provided hard cores?
I see that many FPGAs provide DSP cores, but they are not free. What is the approximate price?
Is it possible to use free dev...
Electronic camera systems have been widely used in military and civilian mapping systems, but the effect is affected by the change of posture or vibration of the carrier at different times. When th...[Details]
Functional instructions are also called special instructions. The functional instructions provided by the CPM1A series PLC are mainly used to realize program control, data processing and arithmetic...[Details]
When I was looking at the program today, I found that some variables were modified with the word idata, which I had never used before. So I pressed F1 to check the help.
This is a screenshot of the E...[Details]
Redundancy means repetition. In computer terminology, redundancy is the intentional or partial repetition of circuits or information to reduce the probability of failure of computer systems or comm...[Details]
On October 13, the investor of Shenzhen ZTE Microelectronics Technology Co., Ltd. changed. The National Integrated Circuit Industry Investment Fund Co., Ltd. withdrew, holding 24% of the shares befor...[Details]
1 Introduction
At present, the production and manufacturing of dual-color light-emitting diode (LED) display screens is relatively large, and its technology is relatively mature. The structure...[Details]
On June 5, the Changsha HKC Project Department and the HKC Jinyang Project were inspected by Chen Fei, Vice Governor of Hunan Province, and both projects brought new news. According to official new...[Details]
Jiwei.com exclusively released the report "The State Administration for Market Regulation conducted a surprise inspection of Ericsson and launched an antitrust investigation". According to the report...[Details]
Today, with advanced technology, we know that with the development of electronic technology and changes in circuit structure, the requirements for relative circuit measurement have become higher. In...[Details]
The Sino-US trade war may not be all bad for mainland industries! Although the profits of some industries have declined, and the inflow of foreign funds into the Chinese stock market is not as good a...[Details]
1 Introduction
The seesaw system is a typical control system that is more complex than the inverted pendulum system and closer to practical applications. It has the characteristics of severe nonlin...[Details]
According to the U.S. Daily Science website on August 1, American scientists used previously developed "metamaterials" to create a new nonlinear device that allows them to manipulate photons as fre...[Details]
Samsung released a software update for its latest active noise-cancelling Bluetooth headset, the Galaxy Buds Pro, this week, which improved three of the most important features of the headset....[Details]
Although it is a new thing, the "famous" DPU battlefield is already filled with smoke. Since Nvidia named its Mellanox-based SmartNIC card "DPU" last October, the concept has become popular. Although...[Details]
Before we start writing the interrupt function, let's review the interrupt system of the microcontroller. We will not explain the meaning of interrupt here (students who have studied mi...[Details]
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