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：

#include < SoftwareSerial.h > 
#include < Wire.h > //引用二個函式庫SoftwareSerial及Wire SoftwareSerial
#include < Servo.h >

SoftwareSerial I2CBT(10, 11); //定義PIN10及PIN11分別為RX及TX腳位 
Servo myservo; // 建立Servo物件，控制伺服馬達
int lightsize; //LED亮度
int insize; //接收的訊息長度
int openlight;
int hasLast, temp;

void setup() {
    Serial.begin(9600);
    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) 
    pinMode(6, OUTPUT); //設定 pin6 為輸出，LED就接在這
    pinMode(5, OUTPUT); //馬達腳位5
    openlight = 0;
    hasLast = 0;

    myservo.attach(9);
    myservo.write(20); // 一開始先置中0度
}

void loop() {
    byte cmmd[20];

    while (1) {
        if ((insize = (I2CBT.available())) > 0) //讀取藍芽訊息
        {
            Serial.print("input size = "); //判斷有沒有訊息接收 
            Serial.println(insize); //顯示接收多少訊息 
            for (int i = 0; i < insize; i++) {
                Serial.print(cmmd[i] = char(I2CBT.read())); //將接收的訊息顯示出來
                Serial.println(" ");
            }
        }

        if (insize == 1 && cmmd[0] >= 48 && cmmd[0] <= 57) {
            if (hasLast == 0) //判斷LED亮度大小的值
            {
                hasLast = 1;
                temp = cmmd[0] - 48;
                continue;
            }
            else {
                hasLast = 0;
                lightsize = cmmd[0] - 48 + temp * 10;
            }
        }
        if (insize >= 2) { //判斷LED亮度大小的值
            lightsize = (cmmd[0] - 48) * 10 + cmmd[1] - 48;
        }
        //analogWrite(13,map(lightsize,0,100,0,255)); //對應0~100 <-> 0~255

        switch (cmmd[0]) { //讀取第一個字(如果讀到的指令是字母)
            case 97: //97為"a"的ASCII CODE  點亮LED
                Serial.println("Turn On LED");
                openlight = 1;
                analogWrite(6, map(lightsize, 0, 100, 0, 255));
                break;

            case 98: //98為"b"的ASCII CODE 熄滅LED
                Serial.println("Turn Off LED");
                openlight = 0;
                analogWrite(6, 0);
                break;

            case 99: //99為"c"的ASCII CODE 開啟風扇
                Serial.println("Turn On FAN");
                analogWrite(5, 50);
                break;

            case 100: //100為"d"的ASCII CODE 關閉風扇
                Serial.println("Turn Off FAN");
                analogWrite(5, 0);
                break;

            case 101: //101為"e"的ASCII CODE 開啟窗簾
                Serial.println("Turn On Curtain");
                for (int i = 20; i <= 90; i += 1) {
                    myservo.write(i);
                    delay(20);
                }
                break;

            case 102: //102為"f"的ASCII CODE 關閉窗簾
                Serial.println("Turn Off Curtain");
                for (int i = 90; i >= 20; i -= 1) {
                    myservo.write(i); // 直接以脈衝寬度控制
                    delay(20);
                }
                break;
            default:
                if (openlight == 1)
                    analogWrite(6, map(lightsize, 0, 100, 0, 255));
                break;
        }
        // Serial.println(lightsize);
    }
}