Introduction: Arduino Solar Tracker (arduino Ile Güneş Takip)

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About: * Electric-electronics * Robot and sky enthusiast

PARTS:

1) 1x box

2) 2x sg90 micro servo motor

3) 4x 10k resistor

4) 4x LDR

5) Jumper cable

6) 1x Arduino

7) 1x breadboard

8) 1x Powebank

Step 1: Under Part

*Short edge 4 inch Long edge 5 inch box

** 1 pieces sg90 servo motor

Step 2: Middle and Upper

* Square with sides 5 inches

*Short edge 2 inches long side 6 inches rectangle (3 pieces)

Step 3: Panel Part

* Short edge 6 inches long side 9 inches rectangle (3 pieces)

*Short edge 2 inches long side 7 inches rectangle (2 pieces)

Step 4: The Circuit

* Blue cables positive input of LDR

** Green cables output connected resistance

*** grey cables input (A0,A1,A2,A3)

**** Servo motors orange cables(9.pin,10.pin)

Step 5: THE CODE

#include<servo.h>

servo horizontal;

int servoh = 180;

int servohLimitHigh = 180;

int servohLimitLow = 15;

Servo vertical;

int servov = 45;

int servovLimitHigh = 80;

int servovLimitLow = 15;

// LDR pin connections

// name = analogpin;

int ldrlt = 0; //LDR top left

int ldrrt = 1; //LDR top right

int ldrld = 2; //LDR down left

int ldrrd = 3; //ldr down right

void setup()

{

Serial.begin(9600);

// servo connections

// name.attacht(pin);

horizontal.attach(9);

vertical.attach(10);

horizontal.write(180);

vertical.write(80);

delay(3000);

}

void loop()

{

int lt = analogRead(ldrlt); // top left

int rt = analogRead(ldrrt); // top right

int ld = analogRead(ldrld); // down left

int rd = analogRead(ldrrd); // down right

// int dtime = analogRead(4)/20;

// int tol = analogRead(5)/4;

int dtime = 10;

int tol = 50;

int avt = (lt + rt) / 2; // average value top

int avd = (ld + rd) / 2; // average value down

int avl = (lt + ld) / 2; // average value left

int avr = (rt + rd) / 2; // average value right

int dvert = avt - avd; // check the diffirence of up and down

int dhoriz = avl - avr;// check the diffirence og left and right

Serial.print(avt);

Serial.print(" ");

Serial.print(avd);

Serial.print(" ");

Serial.print(avl);

Serial.print(" ");

Serial.print(avr);

Serial.print(" ");

Serial.print(dtime);

Serial.print(" ");

Serial.print(tol);

Serial.println(" ");

if (-1*tol > dvert || dvert > tol) // check if the diffirence is in the tolerance else change vertical angle

{

if (avt > avd)

{

servov = ++servov;

if (servov > 180)

{

servov = 180;

}

}

else if (avt < avd)

{

servov= --servov;

if (servov < 0)

{

servov = 0;

}

}

vertical.write(servov);

}

if (-1*tol > dhoriz || dhoriz > tol) // check if the diffirence is in the tolerance else change horizontal angle

{

if (avl > avr)

{

servoh = --servoh;

if (servoh < 0)

{

servoh = 0;

}

}

else if (avl < avr)

{

servoh = ++servoh;

if (servoh > 180)

{

servoh = 180;

}

}

else if (avl == avr)

{

// nothing}horizontal.write(servoh);

}

delay(dtime);

}