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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]
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Chip: STM32F107VCT6 Application Pin: THOUSANDS, RMII STM32CubeMX is very convenient to use ETH. The software comes with LWIP and configuration. This time, STM32F107VCT6+DP83848CVV is used. The MII a...[Details]
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As many companies listed with
the concept of
touch screen
begin to "transform and upgrade", the official voice of the TP industry is getting smaller and smaller. At the same time, the list o...[Details]
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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]
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sprintf is a function in the C language library that converts data types. There is a situation where In 51 MCU, define unsigned char temp; Then I want to use the serial port to print out temp in deci...[Details]
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For complex calculations, the speed of the microcontroller is too slow. The best way is to manually calculate all the results in advance, store them in ROM in sequence, and then directly check the re...[Details]
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6MHz crystal oscillator, using timer counter 1, using interrupt mode, through P1.0 to make a light emitting diode turn on for 100ms, turn off for 300ms, and repeat. Assembly programming is used to ac...[Details]
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#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]
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Semiconductor giant Intel has launched the desktop version of the 8th generation Coffee Lake architecture
Core
processor more than a month ago, and its performance is said to be 30% to 40% ...[Details]
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#include "MSP430x22x4.h" #define uchar unsigned char #define uint unsigned int #define comm 0 #define dat 1 #define sclk_1 P4OUT|=0x01 //sclk=1; 001----p4.0 #define sclk_0 P4OUT&=0x06 //sc...[Details]
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Recently, the 2017 Review and 2018 Outlook Seminar of the Photovoltaic Industry was held in Beijing. Sungrow, a powerful inverter technology company, was invited to attend the seminar. With 20 year...[Details]
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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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;Equal- period pulse width modulation PWM ; Crystal oscillator : 12M Hz ;89C51 P_PWM1 EQU P1.0 cycle EQU 1000 ;PWM cycle (in microseconds), the frequency is 1000 Hz cycle_high EQU 500 ; The time...[Details]
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Everbright Securities released a research report on Sungrow Power Supply on January 24. The report summary is as follows:
Company Profile
The company is a leading enterprise in photovolta...[Details]
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The situation of "lack of chips and screens" in China's electronics industry is changing. After BOE achieved a technological breakthrough in the field of domestic panels, domestic chips are also ex...[Details]