Code

Arduino/Automatic Garage Door Code

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+
+/*
+ Stepper Motor Control -Automatic Garage_Door
+
+ This program drives a unipolar or bipolar stepper motor.
+ It will close the door for '1' input and open the door for '0' input.
+ */
+
+#include <Stepper.h>
+#include <SoftwareSerial.h>
+
+
+SoftwareSerial BT(0,1);
+// creates a "virtual" serial port/UART
+// connect BT module TX to D0
+// connect BT module RX to D1
+// connect BT Vcc to 5V, GND to GND
+const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution
+                                     // for your motor
+
+// initialize the stepper library on pins:
+Stepper myStepper(stepsPerRevolution, 5,6,9,10);
+
+void setup() {
+   BT.begin(9600);  // set the data rate for the SoftwareSerial port
+   myStepper.setSpeed(60);  // set the speed at 60 rpm
+   Serial.begin(9600);  // initialize the serial port
+}
+char a; // stores incoming character from other device
+
+void loop() {
+   if(BT.available())
+   {
+     // if text arrived in from BT serial...
+     a=(BT.read());
+     if(a=='1'){
+          Serial.write(a);
+        //clockwise direction
+        for(int i=0;i<=8;i++)//{
+          myStepper.step(stepsPerRevolution);
+          //delay(20);}
+        BT.write('1');
+     }
+     else if(a=='0'){
+         Serial.write(a);
+         // anti-clockwise direction
+        for(int i=0;i<=8;i++)//{
+          myStepper.step(-stepsPerRevolution);
+          //delay(20);}
+        BT.write('0'); 
+     }
+   }
+}

Self Stabilization Platform

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+This is the complete 

code of Self Stabalization

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+#include <Wire.h>
+
+#include <MPU6050.h>
+
+#include <Servo.h>   
+
+Servo sg90;          
+
+int servo_pin = 2;
+
+MPU6050 sensor ;
+
+int16_t ax, ay, az ;
+
+int16_t gx, gy, gz ;
+
+void setup ( )
+
+{ 
+
+sg90.attach ( servo_pin );
+
+Wire.begin ( );
+
+Serial.begin  (9600); 
+
+Serial.println  ( "Initializing the sensor" ); 
+
+sensor.initialize ( ); 
+
+Serial.println (sensor.testConnection ( ) ? "Successfully Connected" : "Connection failed"); 
+
+delay (1000); 
+
+Serial.println ( "Taking Values from the sensor" );
+
+delay (1000);
+
+}
+
+
+
+
+void loop ( ) 
+
+{ 
+
+sensor.getMotion6 (&ax, &ay, &az, &gx, &gy, &gz);
+
+ax = map (ax, -17000, 17000, 0, 180) ;
+
+Serial.println (ax);
+
+sg90.write (ax); 
+
+delay (200);
+
+}