Arduino - Google Speech API + Android APP + 伺服馬達(Servomotor) + FA-130馬達(motor) + 藍芽接收器( Bluetooth Receiver) + LED


目的：


透過Android APP + Google Speech API，用聲控模擬簡易的智慧家電。

APP介面：



成品：





實際影片：

Arduino Code：

  1. #include < SoftwareSerial.h > 
  2. #include < Wire.h > //引用二個函式庫SoftwareSerial及Wire SoftwareSerial
  3. #include < Servo.h >
  4.  
  5. SoftwareSerial I2CBT(10, 11); //定義PIN10及PIN11分別為RX及TX腳位 
  6. Servo myservo; // 建立Servo物件，控制伺服馬達
  7. int lightsize; //LED亮度
  8. int insize; //接收的訊息長度
  9. int openlight;
  10. int hasLast, temp;
  11.  
  12. void setup() {
  13.     Serial.begin(9600);
  14.     I2CBT.begin(9600); //藍牙鮑率57600(注意！此鮑率每個藍牙晶片不一定相同，請先確認完再填寫進去) 
  15.     pinMode(6, OUTPUT); //設定 pin6 為輸出，LED就接在這
  16.     pinMode(5, OUTPUT); //馬達腳位5
  17.     openlight = 0;
  18.     hasLast = 0;
  19.  
  20.     myservo.attach(9);
  21.     myservo.write(20); // 一開始先置中0度
  22. }
  23.  
  24. void loop() {
  25.     byte cmmd[20];
  26.  
  27.     while (1) {
  28.         if ((insize = (I2CBT.available())) > 0) //讀取藍芽訊息
  29.         {
  30.             Serial.print("input size = "); //判斷有沒有訊息接收 
  31.             Serial.println(insize); //顯示接收多少訊息 
  32.             for (int i = 0; i < insize; i++) {
  33.                 Serial.print(cmmd[i] = char(I2CBT.read())); //將接收的訊息顯示出來
  34.                 Serial.println(" ");
  35.             }
  36.         }
  37.  
  38.         if (insize == 1 && cmmd[0] >= 48 && cmmd[0] <= 57) {
  39.             if (hasLast == 0) //判斷LED亮度大小的值
  40.             {
  41.                 hasLast = 1;
  42.                 temp = cmmd[0] - 48;
  43.                 continue;
  44.             }
  45.             else {
  46.                 hasLast = 0;
  47.                 lightsize = cmmd[0] - 48 + temp * 10;
  48.             }
  49.         }
  50.         if (insize >= 2) { //判斷LED亮度大小的值
  51.             lightsize = (cmmd[0] - 48) * 10 + cmmd[1] - 48;
  52.         }
  53.         //analogWrite(13,map(lightsize,0,100,0,255)); //對應0~100 <-> 0~255
  54.  
  55.         switch (cmmd[0]) { //讀取第一個字(如果讀到的指令是字母)
  56.             case 97: //97為"a"的ASCII CODE  點亮LED
  57.                 Serial.println("Turn On LED");
  58.                 openlight = 1;
  59.                 analogWrite(6, map(lightsize, 0, 100, 0, 255));
  60.                 break;
  61.  
  62.             case 98: //98為"b"的ASCII CODE 熄滅LED
  63.                 Serial.println("Turn Off LED");
  64.                 openlight = 0;
  65.                 analogWrite(6, 0);
  66.                 break;
  67.  
  68.             case 99: //99為"c"的ASCII CODE 開啟風扇
  69.                 Serial.println("Turn On FAN");
  70.                 analogWrite(5, 50);
  71.                 break;
  72.  
  73.             case 100: //100為"d"的ASCII CODE 關閉風扇
  74.                 Serial.println("Turn Off FAN");
  75.                 analogWrite(5, 0);
  76.                 break;
  77.  
  78.             case 101: //101為"e"的ASCII CODE 開啟窗簾
  79.                 Serial.println("Turn On Curtain");
  80.                 for (int i = 20; i <= 90; i += 1) {
  81.                     myservo.write(i);
  82.                     delay(20);
  83.                 }
  84.                 break;
  85.  
  86.             case 102: //102為"f"的ASCII CODE 關閉窗簾
  87.                 Serial.println("Turn Off Curtain");
  88.                 for (int i = 90; i >= 20; i -= 1) {
  89.                     myservo.write(i); // 直接以脈衝寬度控制
  90.                     delay(20);
  91.                 }
  92.                 break;
  93.             default:
  94.                 if (openlight == 1)
  95.                     analogWrite(6, map(lightsize, 0, 100, 0, 255));
  96.                 break;
  97.         }
  98.         // Serial.println(lightsize);
  99.     }
  100. }

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