Create a rotating LED using the classic 555. When the switch is pressed, the LED rotates very fast. After the switch is released, the rotation gradually slows down and eventually stops.From: http://ww...
Finally I made up my mind to download MDK530, and finally solved the problem that the PACK package could not be installed.I tried installing 5.1 MDK on two computers but failed.
This just gave me a re...
I guess when you see Xiangshan, you probably think of Xiangshan in Beijing. It is so Chinese.Regarding the birth of "Xiangshan", Bao Yungang, a researcher at the Chinese Academy of Sciences, said:
"Dr...
In the 21st century home, there are countless examples of how simple everyday devices such as electric motors have been transformed into an integral part of more and more household appliances through ...
ask:How can you ensure that your switching regulators are tested as efficiently as possible?answer:Before a circuit designer decides to use a particular power supply, he or she first tests it carefull...
The throttling flow meter is a commonly used flow measurement instrument, which is widely used in many industries. There are certain conditions when we use the throttling flow meter. Today, the editor...[Details]
// Independent watchdog has no interrupt, WWDG has // IWDG has a clock (LSI), wwdg needs to be mounted (PCK1: APB1) // IWDG is 12-bit decrement. WWDG is 7-bit decrement // IWDG has only a lower lim...[Details]
To set the system to work in svc privileged mode, we know from the previous learning that this requires setting the CPSR program status register.
In the ARM Architecture Reference Manual.pdf d...[Details]
I recently got the MODEL 3 sample board. I had been looking up some information online before, but I didn’t feel it was adequate, so I always wanted to see the real thing. Today we will briefly...[Details]
Introduction
In recent years, with the popularization of computer use, in actual measurement and control, especially in the measurement and control process involving computers, digital control cons...[Details]
Aiming at the application requirements of data acquisition and processing system, this paper designs the hardware interface and driver of ARM9 processor LPC3250 embedded in Linux and 16-bit AD sa...[Details]
introduction
Usually in the measurement and control system, sensors are important devices for information collection. Data collection depends entirely on sensors. How to realize the networkin...[Details]
question: 1. How to enable and disable interrupts 2. How to enable or disable exceptions 3. When the program jumps only once, the return address required for the jump is directly stored in regi...[Details]
Vox Power recently released the VCCR300 conduction cooling power supply unit, an ultra-thin 300W fanless rugged 7.43”×4.6”x1” DC/DC Dublin, Ireland, November 2023 - Vox Power is proud to announ...[Details]
Electronic equipment manufacturers often use electromagnetic interference ( EMI ) and radio frequency interference ( RFI) shielding measures to protect sensitive digital circuits from external radiat...[Details]
Ten years ago, pure electric cars and even hybrid cars were rare on the roads in China. I vaguely remember seeing a special sixth-generation Camry on the road. Its light blue body color and transpare...[Details]
The current probe is an active probe, which is a magnetic ring designed based on Faraday's principle to measure interference current signals in wires. It is essentially a transformer with 1 turn....[Details]
ARM is 32-bit, and the address space is 2 to the power of 32, with a 4G address space. All peripherals (FLASH, RAM, SD card, etc.) are mapped to this 4G space. For example, most ARM7s map RAM to 0x400...[Details]
In addition to letting us rookies learn CAN bus, the CAN bus learning board of PIAE GROUP also designed an interface circuit with the NRF2401 wireless module. As for wireless modules, I had con...[Details]
Today, China has become a veritable major automobile manufacturing and exporting country.
According to data released by the National Bureau of Statistics on October 18, China...[Details]