I have a question. If a hard disk consists of 6 platters, how many heads does it have? Some people say it is 11, but I don't know if it is correct. Please tell me how to calculate it. Baidu searched t...
I just talked with Xin Xin and DelusI0n about my programming experience. It turns out that we all have the fear of programming, so we resonated with each other, so I posted a thread to share with ever...
PPM is the abbreviation of part per million , which means parts per million. It is a unit of precision for quartz crystal oscillators. 1PPM stands for one part per million ,representing error (precisi...
According to the news on April 8, at the 10th TIAA Conference and the 2021 Autonomous Driving Commercial Application Conference, Baidu's 5G Smart City Intelligent Driving Project with a total investme...
[url=https://download.eeworld.com.cn/detail/%E4%BB%96%E5%B1%B1%E4%B9%8B%E7%9F%B333/561306]SG3525 Working Principle[/url] [url=https://download.eeworld.com.cn/detail/Timson/561291]7.75 W thyristor dimm...
The motion controller controls the servo motor using +/-10V analog control. After the servo positioning is completed, +/-1 pulse jumps occur. For example, when positioning is at 100 pulses, the encode...
The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[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]
introduction In the general project development process, two or more microcontrollers are often required to communicate to complete data transmission. For example, a quadcopter wirelessly transmits d...[Details]
I have been working on this i2c for several days. Many people on the Internet say that this is a problem with the ST package library, and they basically talk about the STM32F1 series of chips, and ev...[Details]
Recently, the relevant person in charge of the Energy Conservation Division of the Energy Conservation and Technology Equipment Department of the National Energy Administration said on the issue of...[Details]
First of all, security practitioners have never felt that AI can be used as deeply as today. Although Antelope Cloud is a platform manufacturer, it has always been interested in AI and AI- specific...[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]
In 1949, after three years of civil war, the Nationalist government was defeated and retreated to Taiwan. The political and academic circles launched a large-scale reflection on why they failed in ...[Details]
As a leading company in automotive semiconductors, Freescale and Khronos Group have jointly launched an automotive multimedia embedded microprocessor i.MX35 with an integrated OpenVG hardware acceler...[Details]
Different models of PIC series microcontrollers have different watchdog settings. The following takes the PIC16F688 microcontroller as an example. 1. If WDTE=1 in the configuration word, the watchdog...[Details]
The storage media corresponding to the three boot modes of STM32 are built-in to the chip, they are: 1. User Flash = Flash built into the chip 2.SRAM = RAM area built into the chip, which is the m...[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]
1) ADC multi-channel acquisition: (Multi-channel acquisition must use scanning mode. In scanning mode, the channels of the rule group share a register, so DMA transmission must be used; to prevent da...[Details]
The code for using timer 0 to implement a running light in a 51 MCU is as follows. The LED light is connected to port P1. The code is annotated below, so I won't explain it in detail. My English is n...[Details]