Based on 51 series single chip microcomputer and radio frequency technology, a card swiping and coin accepting control system is realized, which adopts mifare card reader head combined with digital tu...
I have seen news reports of cars catching fire and passengers being unable to escape in time, and heavy rains causing drivers to drown in cars! Many friends have mentioned the fatal car central locks ...
1. First create a workspace and save it as a .eww file, then create a new project file2. Copy the main function content and save the header file to the project folder
3.Configure option4. Check the dr...
[i=s]This post was last edited by footis on 2018-10-16 23:12[/i] I finally received the development board around 3pm this afternoon. I saw a post from a forum friend this morning and learned that the ...
In WinCE5.0 environment, the recorder and media player are both normal, but when recording first and then playing music with media player, there is no sound from media player. When playing music with ...
Modern Operating Systems (3rd Edition)[/color][/url] [url=http://www.douban.com/subject/3017583/][color=#800080]Modern Operating Systems (3rd Edition)[/color][/url] [url=http://www.douban.com/subject/...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[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]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]
Household photovoltaic power stations mainly utilize idle resources on existing household buildings, such as roofs, wall facades, balconies, courtyards, etc., to install and use distributed photovo...[Details]
Site conditions: 1. AD acquisition, DMA transmission; AD is set to single-channel continuous mode, DMA is set to single-shot mode. The upper threshold of the AD analog watchdog setting is less than t...[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]
Getting to the bottom of blockchain
Since last year, blockchain has become the hottest word in both the financial and non-financial circles. Some people use it as a gimmick to engage in va...[Details]
Assume that the MCS-51 microcontroller uses a 12MHz crystal oscillator, and wants to use a timer to generate a pulse with a duty cycle of about 30% and a period of 60ms at port P1.0. ;==============...[Details]
A group of young people who looked like they were in their twenties or thirties were squatting on the edge of the factory flower bed. Some were looking at their phones helplessly, while others were...[Details]
#include avr/io.h #include avr/interrupt.h int main() { DDRB|=0X20;//Set PWM waveform output, connected to port PB5, see the comment of OCR1A=15625 for details DDRE=0X04; PORTE=0X04; DDRA=0XFF; P...[Details]
This program has been in stable use for a long time. If we must trace its origin, it should be traced back to 1998. Since this system is based on IIC EEPROM, the reading and writing of 2401 is blocke...[Details]
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