Question

我有一个使用arduino，MIT App Inventor和hc06蓝牙模块的项目草图。基本上，arduino应该从加速度计（MPU6050）和数字PIR传感器获取数据，因此如果Pir传感器为高，并且没有加速度，则finVal（临时变量）将变高。然后将该finVal传输到App，其中在finVal为真的不同时间给出某些协议。如果没有按下应用程序上的按钮，并且如果finVal为true，则out变为true（为arduino板上的扬声器和指示灯供电）。我有以下arduino sketch和mit app发明者块，并且不知道它为什么不起作用。我将不胜感激任何帮助。谢谢！

    int pirInput = A3;
int accValue;
int pirValue;
int finVal;
String t;
int out = A0;
int out1=A1;
int OldAcX;
int OldAcY;
//_bluetooth.enable();
int state = LOW;

#include "I2Cdev.h"
#include "MPU6050.h"

#if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
#include "Wire.h"
#endif

MPU6050 accelgyro;
const int MPU = 0x68; // I2C address of the MPU-6050
int16_t ax, ay, az, gx, gy, gz;

#define OUTPUT_READABLE_ACCELGYRO


void setup() {
#if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
  Wire.begin();
#elif I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_FASTWIRE
  Fastwire::setup(400, true);
#endif
  accelgyro.initialize();
  Serial.begin(9600);
  delay(750);
  pinMode(out, OUTPUT);
  pinMode(finVal, OUTPUT);
  pinMode(pirInput, INPUT);
  pinMode(out1,OUTPUT);
  digitalWrite(pirInput, LOW);
  digitalWrite(out, 0);
  digitalWrite(out, LOW);  
  digitalWrite(accValue, LOW);
}

void loop() {


  accelgyro.getMotion6(&ax, &ay, &az, &gx, &gy, &gz);
  // #ifdef OUTPUT_READABLE_ACCELGYRO
  // display tab-separated accel/gyro x/y values
  Serial.print("x" + ax); Serial.print("\t");
  Serial.print("y" + ay); Serial.print("\t");

//if motion is changing in any direction more than the allowed tolerance
  if (abs(ax - OldAcX) < 200 && abs(ay - OldAcY) < 200)
  {
    accValue == HIGH;
  }
  else {
    accValue == LOW;
  }

  pirValue = digitalRead(pirInput);
  Serial.println("pir" + pirValue);
  if (pirValue == HIGH && accValue == HIGH)
  {
    finVal = 1;
  }
  else {
    finVal = 0;
  }

while(Serial.available()){
t+=(char)Serial.read();
}
  //turns alarm on/off
  if(t=="on"){
  digitalWrite(out, HIGH);
  digitalWrite(out, 1);
  delay(1000);
  }

  else {
    digitalWrite(out, LOW);
    digitalWrite(out, 0);
    delay(1000);
  }


  if (out >0) //blinks led on external breadboard
  {
    digitalWrite(out1, HIGH);
    delay(1000);
    digitalWrite(out1, LOW);
    delay(1000);
  }
  //new accValues
  OldAcX = ax;
  OldAcY = ay;

}

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如何将Arduino与MPU6050和HC-06 blutetooth连接到MIT App Inventor以接收和收发数据？

0 个答案: