# Arduino

## p.29_光敏電阻+LED燈

int val = 0;
void setup(){
  Serial.begin(115200);
  pinMode(15, INPUT);
}

void loop() {
  val = analogRead(15);
  Serial.println(val);
}

***

## p.34_超音波程式+LED燈

int trig = 12, echo = 13, ultrasinic, distance;
void setup() {
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  Serial.begin(115200);
}

void loop() {
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);
  ultrasinic = pulseIn(echo, HIGH);
  distance = ultrasinic/2/29;
  Serial.println(distance);
  delay(500);
}

***

## P.47_音樂演出

#include"pitches.h"
const int speakerPin = 18;
int channel = 0;
int relayPin = 8;
int freq = 2000;
int resolution = 8;


void setup() {
  Serial.begin(115200);
  ledcSetup(channel, freq, resolution);
  ledcAttachPin(speakerPin, channel);

  
  pinMode(13, OUTPUT);
  pinMode(16, OUTPUT);
  pinMode(15, INPUT);
}


void loop() {
  int lengthSong = 25;
  int tempo = 200;


  //音高順序陣列
  int melody[] = {
    NOTE_C5, NOTE_C5, NOTE_D5, NOTE_C5, NOTE_F5, NOTE_E5, NOTE_C5, NOTE_C5, NOTE_D5, NOTE_C5, NOTE_G5,
    NOTE_F5, NOTE_C5, NOTE_C5, NOTE_C6, NOTE_A5, NOTE_F5, NOTE_E5, NOTE_D5, NOTE_AS5, NOTE_AS5, NOTE_A5, NOTE_F5, NOTE_G5, NOTE_F5
  };


  //每一個音要幾拍
  int beats[] = {1, 1, 2, 2, 2, 4, 1, 1, 2, 2, 2,
  4, 1, 1, 2, 2, 2, 2, 6, 1, 1, 2, 2, 2, 4};


  ledcWrite(channel, 75);


  //迴圈把每個音都跑過
  for(int thisNote = 0;thisNote < lengthSong;thisNote++){
    ledcWriteTone(channel, melody[thisNote]);
    int noteDuration = tempo*beats[thisNote];
    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);
    ledcWriteTone(channel, 0);
    delay(100);
  }delay(10000);
}

***

### pitches.h 模組

#define NOTE_B0  31
#define NOTE_C1  33
#define NOTE_CS1 35
#define NOTE_D1  37
#define NOTE_DS1 39
#define NOTE_E1  41
#define NOTE_F1  44
#define NOTE_FS1 46
#define NOTE_G1  49
#define NOTE_GS1 52
#define NOTE_A1  55
#define NOTE_AS1 58
#define NOTE_B1  62
#define NOTE_C2  65
#define NOTE_CS2 69
#define NOTE_D2  73
#define NOTE_DS2 78
#define NOTE_E2  82
#define NOTE_F2  87
#define NOTE_FS2 93
#define NOTE_G2  98
#define NOTE_GS2 104
#define NOTE_A2  110
#define NOTE_AS2 117
#define NOTE_B2  123
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_CS5 554
#define NOTE_D5  587
#define NOTE_DS5 622
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_FS5 740
#define NOTE_G5  784
#define NOTE_GS5 831
#define NOTE_A5  880
#define NOTE_AS5 932
#define NOTE_B5  988
#define NOTE_C6  1047
#define NOTE_CS6 1109
#define NOTE_D6  1175
#define NOTE_DS6 1245
#define NOTE_E6  1319
#define NOTE_F6  1397
#define NOTE_FS6 1480
#define NOTE_G6  1568
#define NOTE_GS6 1661
#define NOTE_A6  1760
#define NOTE_AS6 1865
#define NOTE_B6  1976
#define NOTE_C7  2093
#define NOTE_CS7 2217
#define NOTE_D7  2349
#define NOTE_DS7 2489
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_FS7 2960
#define NOTE_G7  3136
#define NOTE_GS7 3322
#define NOTE_A7  3520
#define NOTE_AS7 3729
#define NOTE_B7  3951
#define NOTE_C8  4186
#define NOTE_CS8 4435
#define NOTE_D8  4699
#define NOTE_DS8 4978

***

## p.56_按鈕燈程式 p.59_邏輯判斷程式

int val = 0;
void setup() {
  Serial.begin(115200);
  pinMode(15, INPUT);
  pinMode(13, OUTPUT);
  pinMode(17, OUTPUT);
}

void loop() {
  val = digitalRead(15);
  Serial.println(val);
  if (val == 1){
    digitalWrite(13, 1);
    digitalWrite(17, 0);
  }
  else {
    digitalWrite(17, 1);
    digitalWrite(13, 0);
   }
}

***

## p.63_計數控制程式

int count = 0;
void setup(){
  Serial.begin(115200);
  pinMode(15, INPUT);
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
}

void loop() {
  if(!(digitalRead(15))){
    count++;
  }
  count %= 6;
  
  switch(count){
    case 0:
      digitalWrite(13, 0);
      digitalWrite(14, 0);
      delay(1000);
      break;
    case 1:
      digitalWrite(13, 1);
      delay(1000);
      digitalWrite(14, 1);
      delay(1000);
      break;
     case 2:
      digitalWrite(14, 1);
      delay(1000);
      digitalWrite(14, 0);
      delay(1000);
      break;
     case 3:
      digitalWrite(13, 1);
      digitalWrite(14, 1);
      delay(1000);
      digitalWrite(13, 0);
      digitalWrite(14, 0);
      delay(1000);
      break;
     case 4:
      digitalWrite(13, 1);
      digitalWrite(14, 0);
      delay(1000);
      digitalWrite(13, 0);
      digitalWrite(14, 1);
      delay(1000);
      break;
     case 5:
      digitalWrite(13, 1);
      digitalWrite(14, 1);
      delay(1000);
      break;
  }
}

***

## p.69_LED呼吸燈程式

const int freq = 5000;
const int ledChannel = 0;
const int resolution = 8;

void setup() {
  ledcSetup(ledChannel, freq, resolution);
  ledcAttachPin(12, ledChannel); 
}

void loop() {
  for(int i=0;i<=255;i++){
  ledcWrite(ledChannel, i);
  delay(10);
  }
  for(int i=255;i>=0;i--){
  ledcWrite(ledChannel, i);
  delay(10);
  }
}

***

## p.73_PWM舵機控制

#include<Servo.h>
Servo servo;

void setup(){
  servo.attach(15);
}

void loop(){
  for(int i=0;i<350;i++){
    servo.write(i);
    delay(5);
  }
  for(int i=350;i>0;i--){
    servo.write(i);
    delay(5);
  }
}

***

## p.86_計數控制優化

int count = 0;
void setup() {
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(15, INPUT);
}void con(int a, int b){
  digitalWrite(13, a);
  digitalWrite(14, b);
  delay(1000);
}void loop(){
  if(!digitalRead(15))count++;
  count %= 6;
  switch(count){
    case 1:{
      con(1, 0);
      con(0, 0);
      break;
    }case 2:{
      con(1, 1);
      con(1, 0);
      break;
    }case 3:{
      con(0, 1);
      con(1, 1);
      break;
    }case 4:{
      con(0, 0);
      con(0, 1);
      break;
    }case 5:{
      con(1, 0);
      con(0, 1);
      break;
    }
  }
}

***

## p.89_啟動開關優化

void wait(){
  while(digitalRead(15))delay(50);
}void bli(int c, int d){
  for(int i=0;i<c*c*c;i++){
    digitalWrite(13, i%2);
    digitalWrite(14, i+1%2);
    delay(d);
  }digitalWrite(13, 0);
  digitalWrite(14, 0);
}void setup() {
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(15, INPUT);
}void loop(){
  wait();
  bli(3, 1000);
}

***

## p.102_計次裝置

int reset = 0, count = 0;
void setup() {
  Serial.begin(115200);
  pinMode(15, INPUT);
  pinMode(34, INPUT);
}void Q(int a, int b){
  static int n = 0, counter = 0;
  if(b == 0){
    n = 1;
    if(b == n){
      counter++;
      n = 0;
    }
  }else if(a == 0){
    n = 1;
    if(a == n){
      counter = 0;
      n = 0;
    }
  }delay(200);
}void loop(){
  reset = digitalRead(15);
  count = digitalRead(34);
  Q(reset, count);
}

***

## p.112_DHT溫溼度感測實作

#include <SimpleBLE.h>
#include <SimpleDHT.h>
int pinDHT11 = 23;
SimpleDHT11 dht11(pinDHT11);
void setup() {
  Serial.begin(115200);
}void loop() {
  byte temperature = 0;byte Humidity = 0;
  dht11.read(&temperature, &Humidity, NULL);
  Serial.print("溫度：");
  Serial.print((int)temperature);
  Serial.print(" *C 濕度：");
  Serial.print((int)Humidity);
  Serial.println(" % ");
  delay(2000);
}

***

## p.116_LCD顯示實作
http://163.21.105.14/mod/resource/view.php?inpopup=true&id=1180

#include <Wire.h>
#include "LiquidCrystal_I2C.h"

//LiquidCrystal_I2C lcd(0x27);  // Set the LCD I2C address
LiquidCrystal_I2C  lcd(0x27,2,1,0,4,5,6,7); // 0x27 is the I2C bus address for an unmodified backpack

void setup(){
  Serial.begin(115200);

  // activate LCD module
  lcd.begin (16,2); // for 16 x 2 LCD module
  lcd.setBacklightPin(3,POSITIVE);
  lcd.setBacklight(HIGH);
}

void loop(){
  lcd.home ();                   // go home
  lcd.print("Hello world"); 
  lcd.setCursor ( 0, 1 );        // go to the next line
  lcd.print("Shanelin");
  lcd.setCursor ( 1, 0 );
  delay ( 1000 );
}

***

## p.148_Line 通知

#include <WiFi.h>
#include <WiFiClientSecure.h>

//請依照網路環境修改
const char* SSID = "那可玹玹";
const char* PASSWORD = "shanelin0621";
const String Linetoken = "1lIMtJLJeoU6cimui2MMs9ewXDXo0ZFHOs7qwtc4DQv";


int pinDHT11 = 15;
WiFiClientSecure client;//網路連線物件
const char* host = "notify-api.line.me";//LINE Notify API網址

void setup() {
  Serial.begin(115200);
  //連線到WiFi
  WiFi.begin(SSID, PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  Serial.println("WiFi connected");
}

void loop() {
    String message = "上課看手機小過一支";
    client.setInsecure();
    if (client.connect(host, 443)) {
        int LEN = message.length();
        //利用http傳送
        String url = "/api/notify";
        client.println("POST " + url + " HTTP/1.1");
        client.print("Host: "); client.println(host);
        client.print("Authorization: Bearer "); client.println(Linetoken);
        client.println("Content-Type: application/x-www-form-urlencoded");
        client.print("Content-Length: "); client.println( String((LEN + 8)) );
        client.println();      
        client.print("message="); client.println(message);
        client.println();
        client.stop(); //斷線，否則只能傳5次
    }
    //每5秒發送一次，覺得太頻繁可以把時間拉長...
    delay(100);
}

***
## p.159_取址運算子

#include <bits/stdc++.h>
#include <stdio.h> 
#define int long long
using namespace std;
signed main(void){
	int *ptr_test;//*代表可以放置指標 
	int value = 1;
	int *qwq = &value;//不能直接打&1，必須先用一個int存 
	ptr_test = &value;//傳出 
	cout << "address:" << ptr_test << "\n";
	cout << "address:" << *ptr_test << "\n";
	cout << "address:" << *qwq << "\n";
	
}

***
## p.160_傳址呼叫

#include <bits/stdc++.h>
#include <stdio.h> 
#define int long long
using namespace std;
int plus1(int* s){
	*s+=1;
}int plus2(int* s){
	(*s)++;
}//兩種一樣，只是第二種需要加上括號 
signed main(void){
	int *ptr_test;//*代表可以放置指標 
	int value = 1;
	int *qwq = &value;//不能直接打&1，必須先用一個int存 
	ptr_test = &value;//傳出 
	cout << "address:" << ptr_test << "\n";
	cout << "address:" << *ptr_test << "\n";
	cout << "address:" << *qwq << "\n";
	cout << "address:" << qwq << "\n";
	plus1(qwq);
	cout << "address:" << *qwq << "\n";
	cout << "address:" << qwq << "\n";
	plus2(qwq);
	cout << "address:" << *qwq << "\n";
	cout << "address:" << qwq << "\n";
}

***
## p.163_陣列指標

#include <bits/stdc++.h>
#include <stdio.h> 
#define int long long
using namespace std;
int a[10];
signed main(void){
	for(int i=0;i<=10;i++){
		a[i] = i;
	}for(int i=0;i<=10;i++){
		cout << a[i] << "\n";
		cout << &a[i] << "\n";
	}
}