Posts by Tag

Raspberry_Pi

Raspberry Pi4 install Miniconda3

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Raspi4 version : 20.04.3 LTS focal fossa Ubuntu Server Raspi4 type : Raspberry Pi 4B 8GB -> 64-bit aarch64 (arm64)

Home-camera X -> SmartHome O

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Situation My laptop didn’t working. So I formatted all files. And also I’m in college domitory. That stop me from using external network. Finally, I decide...

Raspberry Pi4 Ubuntu username Change

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making temporary user change sudo to temporary user reboot to temporary user rename olduser name to new name change home, group to new name if y...

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STM32

STM32 UART Interrupt

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원하는 바이트 크기보다 더 큰 것을 받았을 경우 내가 처음에 보낸 것은 가 붙어있어서 일정 크기만큼 잘린 후 버퍼에 남은 것 때문에 먹통이 되어버린 것이다.

Mbed gpio_t

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If you don’t use variables, computer regards there is nothing.

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tutorials

5.1 ESP32 Email

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SMTP : Simple Mail Transfer Protocol ESP32 can send google Email.

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C

Stack

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Stack

Queue

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Queue

211122_class

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First Period C 언어 fputc fputs fprintf(파일변수, 형식(printf와 같음)) fwrite(주소, 사이즈, 개수, 파일변수)

211111_class

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First Period Algorithm Arrangement Stack Queue - Circular Queue Linked List Tree

211110_class

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First Period PyQT with UART

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ESP-IDF

ESP_IDF Timer

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ESP32 는 2개의 64bit timer 가 존재

ESP_IDF interrupt

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ESP_IDF Github In this github file, you can find example folder.

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ESP32

Install ESP-idf

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Situation I start my SmartHome project with Node-RED. I want to use ESP32 than ESP8266. But, I’m not used to using ESP32. So, I’m going to practice about ...

My college router

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I want to connect to my Raspberry pi from mobile data. My college has serveral routers that I can’t approach.

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WiFi

My college router

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I want to connect to my Raspberry pi from mobile data. My college has serveral routers that I can’t approach.

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python

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project

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ESP8266

Home-camera X -> SmartHome O

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Situation My laptop didn’t working. So I formatted all files. And also I’m in college domitory. That stop me from using external network. Finally, I decide...

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interrupt

STM32 UART Interrupt

less than 1 minute read

원하는 바이트 크기보다 더 큰 것을 받았을 경우 내가 처음에 보낸 것은 가 붙어있어서 일정 크기만큼 잘린 후 버퍼에 남은 것 때문에 먹통이 되어버린 것이다.

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upgrade

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Microprocessor

211124_class

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+IPD,포트,개수:데이터 indexOf(‘:’) + 1 -> 데이터 위치 읽기 substring 문자열 자르기 문자열.trim() // 앞 뒤 공백 제거

211122_class

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First Period C 언어 fputc fputs fprintf(파일변수, 형식(printf와 같음)) fwrite(주소, 사이즈, 개수, 파일변수)

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datasheet

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PC

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SSH

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miniconda

Raspberry Pi4 install Miniconda3

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Raspi4 version : 20.04.3 LTS focal fossa Ubuntu Server Raspi4 type : Raspberry Pi 4B 8GB -> 64-bit aarch64 (arm64)

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mbed

Mbed gpio_t

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If you don’t use variables, computer regards there is nothing.

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MDK

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QT

211110_class

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First Period PyQT with UART

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Python

211110_class

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First Period PyQT with UART

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pwm

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Embeded

211111_class

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First Period Algorithm Arrangement Stack Queue - Circular Queue Linked List Tree

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Deep Sleep

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BLE

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PWM

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curcuit

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Email

5.1 ESP32 Email

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SMTP : Simple Mail Transfer Protocol ESP32 can send google Email.

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OLED

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Cpp

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Capstone

211123_class

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Micro Controller MCU : Micro Controller Unit MCU = CPU + Memory Compile - 변역 Fusing - Download RAM(휘발성) - 변수 ROM(비휘발성) - 코드

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Algorithm

211125_class

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Stack 후위법(posfit) :연산자를 뒤로 보내는 방법 90/(2*3)+(20-10) -> ?? 90 2 3 * / 20 10 - + push(), pop() 스택 사이즈 10개 int top = -1; void push(int* array, int num){ ...

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CH340K

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Portable_LED

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ESP_NOW

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printf

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LCD

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