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If you want to impress someone, some techniques are very useful, while others are counterproductive.
Before writing How to Win Friends and Influence People, Dale Carnegie made himself a rattlesnake...[Details]
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#include avr/io.h #define dark 8000000 #define baud 9600 #define CALL 0X24 //Host call #define BUSY 0X15 //Slave is busy #define OK 0X00 //Slave is ready #define SUCC 0x2A //Receive successfully #d...[Details]
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@echo off setlocal :: Be sure to install the ST-LINK drivers and Utility application for Windows :: Location of ST-LINK_CLI.exe, which is part of the Utility application :: set STLINKUTIL="C:\Program...[Details]
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As the most popular single-chip microcomputer, stm32 is widely used in various fields. Nowadays, handheld devices often use stm32 as the main control chip. Handheld devices generally have the most co...[Details]
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#include "regs.h" void enable_mmu(unsigned long ttb); void init_ttb(unsigned long *ttb_base); void mmap(unsigned long *ttb_base, unsigned long va, unsigned long pa); void memset(char *buf, char ch, i...[Details]
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Software environment: ADS1.2 Development board: GEC210 Theoretical knowledge: Refer to the introduction of LED principle Because ADS needs to be entered from assembly by default, our code first...[Details]
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This electronic clock is controlled by PIC16C55 single-chip microcomputer, which is suitable for timed constant temperature control of greenhouse or timed constant pressure control of tap water. Th...[Details]
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introduction
Distributed battery monitoring systems have the advantages of wide application and scalability; CAN bus has the advantages of high transmission rate and good reliability. Combining the...[Details]
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1 Introduction
In order to realize intelligent electronic counting and frequency measurement and realize a wide-range, high-precision frequency meter, an effective method is to use a single-chip m...[Details]
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In one week, I went from being an illiterate who had never used an STC microcontroller and didn't know what an SPI interface was to making the entire communication process of nRF24L01 completely bug-...[Details]
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Memory is divided into two major categories: RAM and ROM. This article mainly discusses ROM. . The ROM cannot be programmed initially, and whatever content is shipped from the factory will always be ...[Details]
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IO port control Direction register TRISA~TRISAE For example, TRISB=0x00; // 1 is input, 0 is output, so all portB ports are set to output Data register PORTA~PORTE For exa...[Details]
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Recently, due to work needs, I used STC89C52 to develop new products. I needed to use the Eeprom function of STC. I also found some information on the Internet and got a lot of help. I am really grate...[Details]
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1. Introduction to MSR and MRS instructions MRS instruction: Read the status registers CPSR and SPSR. By reading the CPSR, you can get the current working status of the processor. By reading the ...[Details]
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Chip decryption is also called MCU cracking, MCU cracking, chip cracking, IC decryption. We usually call CPLD decryption and DSP decryption chip decryption. MCU attackers use special or homemade eq...[Details]
Analog electronics
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