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In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
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Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
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This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
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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]
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1. Function and purpose There are two pins BOOT0 and BOOT1 on each STM32 chip. The level status of these two pins when the chip is reset determines which area the program starts from after th...[Details]
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The first one is a DMA mode of multiple channel acquisition void ADC_DMA_Config(void) { ADC_InitTypeDef ADC_InitStructure; RCC_HSICmd(ENABLE); while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); ...[Details]
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1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
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#include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f ,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; unsigne...[Details]
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Title: Use two dynamic digital tubes to display from 0 to 60, output from the P1 port of 89C51, without adding a decoder, and directly connect the digital tubes. Note that they are dynamic digital tu...[Details]
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#include avr/io.h #include util/delay.h #include avr/interrupt.h //Interrupt function header file //Function declaration void Port_Init(void); //Port initialization configuration void Comp...[Details]
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Take serial port interrupt as an example: like: void serial() interrupt 4 { } and void serial_uart() interrupt 4 { } The functions of both functions are to define the serial port interrupt function. ...[Details]
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//PROJECT : EA21 // IC : SAMSUNG S3C9454 #include "ioS3C9454.h" //Write it yourself, pay attention to const ? //**************************** // PIN define area //*************...[Details]
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;The chip is EM78P153 ;P64, P65 are connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator ; Watchdog off, instruction cycle is 2 CLOCK, P63 is reset pin ;**************...[Details]
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Ht47AD converter application include ht47c20.inc data .section 'data' Rs equ 0064h n db ? count db ? kh db ? kl db ? th db ? tl db ? int_count db ? ;---------------------------- code .section at 0 ...[Details]
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HT48R50A 5X7 LED dot matrix display example program ; ******************************************** ; Function: 5X7 LED dot matrix display sample program * ; MICroProcessor : HT48R50A-1/28SKDIP...[Details]
PCB Design
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