Recently the company's network has been very unstable, with everyone being unable to access the Internet from time to time. I installed Symantec's Internet Security Special Police NIS2007 on one of th...
[i=s]This post was last edited by lonerzf on 2015-1-4 22:29[/i] First of all, this activity itself is good, and the time given is also sufficient. However, my imagination is limited, and I really can'...
[i=s]This post was last edited by Xin Xin on 2017-11-24 09:56[/i] Although the last time [color=#336699][u] (Cordless Soldering Iron V1.0)[/u][/color], it was both anal and chainsaw-like, but it was s...
Why? When I was testing the speaker impedance characteristics by gradually changing the signal generator output frequency from low frequency to high frequency, I found that the voltage value at 20-20k...
Chapter 1: Circuit Laws of Circuit Elements 1.1 Circuits and Circuit Models 1.2 Current, Voltage, and Electromotive Force 1.3 Power of Circuit Elements 1.4 Resistor 1.5 Inductor 1.6 Capacitor 1.7 Powe...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
The global PV inverter market will shrink from $6.3 billion in 2017 to $3.7 billion in 2022 due to falling prices, according to GlobalData.
Global PV Inverter Market Value to Shrink to $3.7 Bil...[Details]
China Energy Storage Network News:
On April 24, State Grid Corporation of China (hereinafter referred to as "SGCC") and China Southern Power Grid Co., Ltd. (hereinafter referred to as "CSGC")...[Details]
When
artificial intelligence
can help humans take on some work, we always divide the responsibilities of both parties very clearly. When humans work, we rarely see
artificial intelligen...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
introduction STM32 has many registers, which are difficult to remember, so the official packaged two sets of library functions. One is the standard library, but the official has not updated it on F7,...[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]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
This is also a routine in the development board, with explanations of the key points. The program is as follows: /********************************************************* Program notes: First...[Details]
STM32 ADC multi-channel conversion Description: Use ADC to continuously collect 11 analog signals and transfer them to memory through DMA. ADC is configured to scan and continuously convert mode,...[Details]
Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
This example sets up a button to adjust the square wave of different frequencies (multiples of 100) from 100-1000hz. In addition, serial port communication is added, and the corresponding frequency c...[Details]
Embedded System
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