PowerPoint

Arduino ()

- 1 -

- 2 -

https://www.arduino.cc

: www.arduino.ccArduino IDE ( USB ) JUST DOWNLOAD PC USB - 3 -

12345

IDE : : (baking firmware)New : Open : Save :

: Arduino/Genuino Uno : > > 01.Basics > Blnks

- 4 -

void setup() {

}

void loop() {

}

C/C++ Setup 1 Loop - 5 -

API Reference

Learning > Reference

Learning > Tutorials , ,

- 6 -

- 7 -

Tact

LED

- Arduino UNO R3 - Breadboard Mini - LED - Register 0.1k, 1k - Push Button

int led = 13;int button = 10;int prevButtonState = LOW;int ledState = LOW;void setup() { pinMode(led, OUTPUT); pinMode(button, INPUT);}void loop() { int currentButtonState = digitalRead(button); if(prevButtonState == LOW && currentButtonState == HIGH) { ledState = HIGH - ledState; } prevButtonState = currentButtonState; digitalWrite(led, ledState); delay(50);}- 8 -

Potentionmeter()

void setup(){ Serial.begin(9600);}

void loop(){ int a0 = analogRead(A0); Serial.println(a0); delay(300);}- 9 -

PWM (Pulse Width Modulation)

RGB LED

int ledRED = 9;int ledGREEN = 10;int ledBLUE = 11;

int nowR = random(0, 255);int nowG = random(0, 255);int nowB = random(0, 255);

int toR = random(0, 255);int toG = random(0, 255);int toB = random(0, 255);

void setup() { pinMode(ledRED, OUTPUT); pinMode(ledGREEN, OUTPUT); pinMode(ledBLUE, OUTPUT);}

void loop() { setColor(nowR, nowG, nowB);

if(nowR == toR) toR = random(0, 255); if(nowG == toG) toG = random(0, 255); if(nowB == toB) toB = random(0, 255);

if(nowR < toR) nowR++; else nowR--; if(nowG < toG) nowG++; else nowG--; if(nowB < toB) nowB++; else nowB--; delay(10);}

void setColor(int red, int green, int blue){ analogWrite(ledRED, red); analogWrite(ledGREEN, green); analogWrite(ledBLUE, blue); }- 10 -

void setup() {

}

void loop() {

for(int i=500; i500; i-=10) { note(i, 50); }}

void note(int pitch, int duration) { tone(8, pitch, duration); delay(duration*0.8);}- 11 -

/**************** pitches.h***************/

#define NOTE_C5 523#define NOTE_D5 587#define NOTE_E5 659#define NOTE_G5 784#define NOTE_A5 880https://www.arduino.cc/en/Tutorial/toneMelody

#include "pitches.h"

void setup() {}

void loop() { note(NOTE_G5, 500); note(NOTE_G5, 500); note(NOTE_A5, 500); note(NOTE_A5, 500); note(NOTE_G5, 500); note(NOTE_G5, 500); note(NOTE_E5, 1000); note(NOTE_G5, 500); note(NOTE_G5, 500); note(NOTE_E5, 500); note(NOTE_E5, 500); note(NOTE_D5, 1000); note(NOTE_G5, 500); note(NOTE_G5, 500); note(NOTE_A5, 500); note(NOTE_A5, 500); note(NOTE_G5, 500); note(NOTE_G5, 500); note(NOTE_E5, 1000); note(NOTE_G5, 500); note(NOTE_E5, 500); note(NOTE_D5, 500); note(NOTE_E5, 500); note(NOTE_C5, 2000); delay(4000);}

void note(int pitch, int duration) { tone(8, pitch, duration); delay(duration * 1.3); noTone(8);}- 12 -

LDR

const int LED = 9;const int LDR = A0;

void setup() { pinMode(LED, OUTPUT);}

void loop() { int a0 = analogRead(LDR); int light = max(map(a0, 0, 600, 1023, 0), 0); analogWrite(LED, light); delay(300);}- 13 -

KY-038

int sensorPin = A0;int ledPin = 13;int sensorValue = 0; void setup () { pinMode (ledPin, OUTPUT); Serial.begin (9600);} void loop () { sensorValue = analogRead (sensorPin); digitalWrite (ledPin, HIGH); delay (sensorValue); digitalWrite (ledPin, LOW); delay (sensorValue); Serial.println (sensorValue, DEC);}- 14 -

= 340 m/s=> 1 340 m => 1 340000 mm => 1 340 mm => 1 0.34 mm (1 1/1000000 )

* 0.34 = (mm) .=> ( microsecond * 0.34 ) / 2=> ( millisecond * 340 ) / 2

HC-SR04

int trig= 7;int echo= 6;int led= 13;

void setup() { // initialize serial communication: Serial.begin(9600); pinMode(trig, OUTPUT); pinMode(echo, INPUT); pinMode(led, OUTPUT);}

void loop(){ digitalWrite(trig, LOW); delayMicroseconds(2); digitalWrite(trig, HIGH); delayMicroseconds(10); digitalWrite(trig, LOW);

long val= pulseIn(echo, HIGH) * 17 / 100; Serial.println(val);

if(val < 50) { //5cm LED digitalWrite(led, HIGH); } else { digitalWrite(led, LOW); }

delay(100);}

- 15 -

DHT11https://github.com/winlinvip/SimpleDHT

#include

int pinDHT11 = 2;SimpleDHT11 dht11;

void setup() { Serial.begin(9600);}

void loop() { byte temperature = 0; byte humidity = 0; if (dht11.read(pinDHT11, &temperature, &humidity, NULL)) { Serial.print("No Data"); delay(1000); return; } Serial.print("Temp: "); Serial.print((int)temperature); Serial.print(" *C, "); Serial.print((int)humidity); Serial.println(" %"); delay(1000);}- 16 -

LCD

LCD1602https://github.com/marcoschwartz/LiquidCrystal_I2CSDASCL

#include

LiquidCrystal_I2C lcd(0x27,16,2); //LCD address : 0x27

void setup(){ lcd.init(); lcd.backlight(); lcd.setCursor(0, 0); lcd.print("Hello, world!");}

void loop(){}- 17 -

- 18 -

Temp 29 *c Hum 61 % 28 28

28 28 - 19 -

5V220VRelay(KY-019)?https://github.com/iamchiwon/iot_with_arduino/tree/master/Auto_Fan

- - - LCD () -

2. 220V 5V (digitalWrite HIGH 5V )

3. 5V 220V ?- 20 -

- 22 -

Servo Motor

?https://github.com/iamchiwon/iot_with_arduino/tree/master/Auto_TrashCan

- - - LCD () -

2. ?- 23 -