210307

Let's change the name of the folder so we can recognize it later.

Author: kuma1105

아두이노 실습/(Error)Human_Body_Sensor/Human_Body_Sensor.ino

@@ -0,0 +1,24 @@
+int LED = 12;                                     // LED 출력 12번핀
+int sensor = 7;                                 // 센서 입력값 7번핀
+int value = 0;                                   // loop에서 사용할 value 변수 설정
+
+void setup() 
+{
+  Serial.begin(9600);
+  pinMode (LED, OUTPUT);          // 핀모드 LED 출력으로 설정
+  pinMode (sensor, INPUT);          //  핀모드 센서 입력값으로 설정
+}
+
+void loop() {
+  value = digitalRead(sensor);        // 변수 value에 디지털 센서값 저장
+  Serial.println(value);
+    delay(500);
+  if(value == HIGH)                         // value가 high라면
+  {
+    digitalWrite(LED, HIGH);            // LED를 켜라
+  }
+  else                                               // 그렇지 않다면
+  {
+    digitalWrite(LED, LOW);             //  LED를 꺼라
+  }
+}

아두이노 실습/09_timer1_isr_async_131312/09_timer1_isr_async_131312.ino

@@ -0,0 +1,18 @@
+#include <TimerOne.h>
+ 
+void setup() { 
+  Serial.begin(115200); 
+
+  Timer1.initialize(1000); // 1000us = 1ms = 0.001s 1초에 1000번 호출
+  Timer1.attachInterrupt( timerIsr ); 
+}
+ 
+void loop() {
+  noInterrupts();
+  Serial.println("| ");
+  interrupts();
+}
+
+void timerIsr() {
+  Serial.println(" ]");
+}

아두이노 실습/20210204-Bluetooth_Communication/블루투스 통신1.jpg

@@ -0,0 +1,31 @@
+int pin_LED = 9;
+unsigned long time_previous, time_current;
+unsigned long interval = 1000;
+bool LED_state = false;
+int pin_input = A0;
+
+
+void setup()
+{
+  Serial.begin(9600);
+  pinMode(A0, INPUT);
+  pinMode(pin_LED, OUTPUT);
+  digitalWrite(pin_LED, LED_state);
+  Serial.begin(9600);
+  time_previous = millis();
+}
+
+void loop()
+{
+  time_current = millis();
+  Serial.print(String("current") + time_current+ " ");
+  Serial.println(String("previous") + time_previous);
+  if(time_current - time_previous >= interval){
+    time_previous = time_current;
+    //Serial.println(time_previous);
+    LED_state = !LED_state;
+    digitalWrite(pin_LED, LED_state);
+  }
+  int adc = analogRead(pin_input);
+  interval = map(adc, 0, 1023, 50, 1000);
+}

아두이노 실습/20210204-Bluetooth_Communication/블루투스 통신1_1.PNG

@@ -0,0 +1,8 @@
+void setup() {
+  Serial.begin(9600);
+}
+void loop() {
+  int light = analogRead(A0);
+  Serial.println(light);
+  delay(1000);
+}

아두이노 실습/20210204-Bluetooth_Communication/블루투스 통신2.jpg

@@ -0,0 +1,12 @@
+void setup() {
+  Serial.begin(9600); // 시리얼 포트 초기화
+}
+void loop() {
+  if (Serial.available() > 0) { // 수신된 데이터 존재 여부 확인
+    byte data = Serial.read(); // 바이트 단위로 읽기
+    Serial.print("Echo back : ");
+    Serial.write(data); // 문자 출력
+    Serial.print(" ");
+    Serial.println(data); // ASCII 값 출력
+  }
+}

아두이노 실습/Blink_Speed/Blink_Speed.ino

@@ -0,0 +1,21 @@
+#include <SoftwareSerial.h> 
+
+SoftwareSerial btSerial = SoftwareSerial(9, 10); //RX, TX
+
+void setup()
+{
+  Serial.begin(9600);
+  btSerial.begin(9600);
+}
+
+void loop()
+{
+  if (btSerial.available() > 0)
+  {
+    Serial.write(btSerial.read());
+  }
+  if (Serial.available() > 0)
+  {
+    btSerial.write(Serial.read());
+  }
+}

아두이노 실습/Cds_Cell/Cds_Cell.ino

@@ -0,0 +1,21 @@
+#include <SoftwareSerial.h> 
+
+SoftwareSerial btSerial = SoftwareSerial(9, 10); //RX, TX
+
+void setup()
+{
+  Serial.begin(9600);
+  btSerial.begin(9600);
+}
+
+void loop()
+{
+  if (btSerial.available() > 0)
+  {
+    Serial.write(btSerial.read());
+  }
+  if (Serial.available() > 0)
+  {
+    btSerial.write(Serial.read());
+  }
+}

아두이노 실습/Cds_Cell/cds cell.jpg

@@ -0,0 +1,32 @@
+//#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+LiquidCrystal_I2C lcd(0x27,16,2);
+// set the LCD address to 0x27 for a 16 chars and 2 line display
+// 주소 = 0x27
+
+void setup()
+{
+lcd.init(); // initialize the lcd
+// Print a message to the LCD.
+lcd.backlight();
+lcd.print("Rainbow 6 Seige");
+delay(1000);
+}
+
+void loop() {
+  delay(1000);
+  lcd.clear();
+  lcd.setCursor(0,0);
+  delay(1000);
+  lcd.print("Loading");
+  lcd.setCursor(0,1);
+  delay(1000);
+  lcd.print("Filipinka");
+  lcd.noCursor();
+  lcd.noBlink();
+  delay(1000);
+}
+
+//https://juahnpop.tistory.com/97
+//https://m.blog.naver.com/yuyyulee/220325361752
+//https://m.blog.naver.com/eye_korea/220839266242

아두이노 실습/Cds_Cell/cds serialmonitor.PNG

@@ -0,0 +1,46 @@
+#include <Wire.h>
+
+void setup()
+{
+  Wire.begin();
+
+  Serial.begin(9600);
+  while (!Serial);           
+  Serial.println("\nI2C Scanner");
+}
+
+void loop()
+{
+  byte error, address;
+  int nDevices;
+  Serial.println("Scanning...");
+  nDevices = 0;
+  for(address = 1; address < 127; address++ ) 
+  {
+    Wire.beginTransmission(address);
+    error = Wire.endTransmission();
+
+    if (error == 0)
+    {
+      Serial.print("I2C device found at address 0x");
+      if (address<16) 
+        Serial.print("0");
+      Serial.print(address,HEX);
+      Serial.println("  !");
+      nDevices++;
+    }
+    else if (error==4) 
+    {
+      Serial.print("Unknow error at address 0x");
+      if (address<16) 
+        Serial.print("0");
+      Serial.println(address,HEX);
+    }    
+  }
+
+  if (nDevices == 0)
+    Serial.println("No I2C devices found\n");
+  else
+    Serial.println("done\n");
+  delay(5000);
+}

아두이노 실습/EchoBack/EchoBack.PNG

@@ -0,0 +1,10 @@
+void setup() {
+  pinMode(3, OUTPUT);
+}
+
+void loop() {
+  digitalWrite(3, HIGH);
+  delay(1000);
+  digitalWrite(13, LOW);
+  delay(1000);
+}

아두이노 실습/EchoBack/EchoBack.ino

@@ -0,0 +1,15 @@
+void setup() {
+  pinMode(13, OUTPUT);
+  pinMode(8, INPUT);
+}
+
+void loop() {
+  int value = digitalRead(8);
+
+  if (value == HIGH) {
+    digitalWrite(13, HIGH);
+  }
+  else {
+    digitalWrite(13, LOW);
+  }
+}

아두이노 실습/FirstBluetooth/bmaster/bmaster.ino

@@ -0,0 +1,23 @@
+int pin[] = {2,3,4,5};
+int state = 0;
+
+void setup()
+{
+  for(int i = 0; i<4; i++){
+    pinMode(pin[i], OUTPUT);
+    digitalWrite(pin[i], LOW);
+  }
+}
+
+void loop()
+{
+  for(int i = 0; i < 4; i++){
+    if(state == i){
+      digitalWrite(pin[i], HIGH);
+    } else{
+      digitalWrite(pin[i], LOW);
+    }
+  }
+  state = (state + 1)%4;
+  delay(500);
+}

아두이노 실습/FirstBluetooth/bslave/bslave.ino

@@ -0,0 +1,27 @@
+/*
+Library Repository : https://github.com/ckalpha/MQ135
+Author : Damrongwit Nusuk
+Email : [email protected]
+Website : http://www.racksync.com
+*/
+
+#include "MQ135.h"
+#define ANALOGPIN A0    //  Define Analog PIN on Arduino Board
+#define RZERO 206.85    //  Define RZERO Calibration Value
+MQ135 gasSensor = MQ135(ANALOGPIN);
+
+void setup() {
+  Serial.begin(9600);
+  float rzero = gasSensor.getRZero();
+  delay(3000);
+  Serial.print("MQ135 RZERO Calibration Value : ");
+  Serial.println(rzero);
+}
+
+void loop() {
+  float ppm = gasSensor.getPPM();
+  delay(1000);
+  digitalWrite(13,HIGH);
+  Serial.print("CO2 ppm value : ");
+  Serial.println(ppm);
+}

아두이노 실습/LCD_I2C/LCD_I2C.ino

@@ -0,0 +1,10 @@
+int melody[] = {262, 294, 330, 349, 392, 440, 494, 523};
+void setup() {
+  for (int i = 0; i < 8; i++) {
+  tone(8, melody[i], 250);
+  delay(800);
+  noTone(8);
+  }
+}
+void loop() {
+}

아두이노 실습/LCD_I2C_Find_Address/LCD_I2C_Find_Address.ino

@@ -0,0 +1,20 @@
+void setup() {
+  Serial.begin(9600); // 시리얼 포트 초기화
+}
+void loop() {
+  Serial.print("String : ");
+  Serial.println("Test String"); // 문자열 출력
+  Serial.print("Char : ");
+  Serial.println('c'); // 문자 출력
+  Serial.print("Integer : ");
+  Serial.println(123); // 정수 출력
+  Serial.print("Float : ");
+  Serial.println(3.14); // 실수 출력
+  byte data = 65;
+  Serial.println();
+  Serial.print("With print : ");
+  Serial.println(data); // print 함수
+  Serial.print("With write : ");
+  Serial.write(data); // write 함수
+  while (true);
+}

아두이노 실습/LED_OnOff/LED_OnOff.ino

@@ -0,0 +1,22 @@
+int Relaypin = 3;
+int Switch = 9;
+ 
+void setup()
+{
+  pinMode(Relaypin,OUTPUT);         // 릴레이를 출력으로 설정
+  pinMode(Switch,INPUT_PULLUP);     // 스위치를 입력으로 설정
+}
+ 
+void loop()
+{
+  if(digitalRead(Switch)==LOW)       // 스위치를 누르면
+  {
+    digitalWrite(Relaypin,HIGH);     // 1채널 릴레이 ON
+    delay(100);
+  }
+  else                               // 스위치를 누르지 않으면 
+  {
+    digitalWrite(Relaypin,LOW);      // 1채널 릴레이 OFF
+    delay(100);
+  }
+}

아두이노 실습/LED_Switch/LED_Switch.ino

@@ -0,0 +1,13 @@
+void setup(){
+  randomSeed(analogRead(A0));
+  pinMode(11, OUTPUT);
+  pinMode(10, OUTPUT);
+  pinMode(9, OUTPUT);
+}
+
+void loop(){
+  analogWrite(11, random(256));
+  analogWrite(10, random(256));
+  analogWrite(9, random(256));
+  delay(1000);
+}

아두이노 실습/LED_one_by_one/LED_one_by_one.ino

@@ -0,0 +1,27 @@
+int ledPin = 13;
+int vib = 2;
+ 
+void setup(){
+  pinMode(ledPin, OUTPUT);
+  pinMode(vib, INPUT); //센서핀 입력
+  Serial.begin(9600); //시리얼통신 설정 9600
+  Serial.println("---vibration demo---");
+}
+void loop(){
+  long measurement = TP_init();
+  delay(50);
+  Serial.print("measurment = ");
+  Serial.println(measurement);
+  if (measurement > 1000){
+    digitalWrite(ledPin, HIGH);
+  }
+  else{
+    digitalWrite(ledPin, LOW); 
+  }
+}
+ 
+long TP_init(){
+  delay(10);
+  long measurement= pulseIn(vib, HIGH);
+  return measurement;
+}