終了

arduino base solar tracking system

Required Components:

Servo Motor (sg90)

Solar panel

Arduino Uno

LDR’s X 2 (Light Dependent Resistor)

10K resistors X 2

Battery (6 to 12V)

How it Works:

In this project, LDR’s are working as light detectors. Before we go into detail, we will have to understand how the LDR’s work. LDR (Light Dependent Resistor) also known as photo resistor is the light sensitive device. Its resistance decrease when the light falls on it and that’s why it is frequently used in Dark or Light Detector Circuit. Check the various circuits based on LDR here.

The two LDR’s are placed at the two sides of solar panel and the Servo Motor is used to rotate the solar panel. The servo will move the solar panel towards the LDR whose resistance will be low, mean towards the LDR on which light is falling, that way it will keep following the light. And if there is same amount of light falling on both the LDR, then servo will not rotate. The servo will try to move the solar panel in the position where both LDR’s will have the same resistance means where same amount of light will fall on both the resistors and if resistance of one of the LDR will change then it rotates towards lower resistance LDR. Check the Demonstration Video at the end of this Article.

Step 1:

First of all, take a small piece of cardboard and make a hole at one end. We will insert the screw in it to fix it with the servo later on.

Step 2:

Now fix two small pieces of cardboard with each other in a V shape with help of glue or hot gun and place solar panel on it.

Step 3:

Then attach the bottom side of the V shape to the other end of small piece of cardboard in which you made a hole in first step.

Step 4:

Now insert the screw in the hole you made on card board and insert it through the hole into the servo. The screw comes with the servo motor when you buy it.

Step 5:

Now place the servo on another piece of cardboard. The size of the cardboard should be larger enough so that you can place a Arduino Uno, a breadboard and a battery on it.

Step 6:

Attach the LDRs on the two sides of the solar panel with the help of glue. Make sure you have soldered the wires with the legs of the LDR’s. You will have to connect these with the resistors later on.

Step 7:

Now place the Arduino, battery and the breadboard on the cardboard and make the connection as described in the Circuit diagram and Explanation section below. The final prototype is shown below

#include <Servo.h> //including the library of servo motor

Servo sg90; //initializing a variable for servo named sg90

int initial_position = 90; //Declaring the initial position at 90

int LDR1 = A0; //Pin at which LDR is connected

int LDR2 = A1; //Pin at which LDR is connected

int error = 5; //initializing variable for error

int servopin=9;

void setup()

{

[login to view URL](servopin); // attaches the servo on pin 9

pinMode(LDR1, INPUT); //Making the LDR pin as input

pinMode(LDR2, INPUT);

[login to view URL](initial_position); //Move servo at 90 degree

delay(2000); // giving a delay of 2 seconds

}

void loop()

{

int R1 = analogRead(LDR1); // reading value from LDR 1

int R2 = analogRead(LDR2); // reading value from LDR 2

int diff1= abs(R1 - R2); // Calculating the difference between the LDR's

int diff2= abs(R2 - R1);

if((diff1 <= error) || (diff2 <= error)) {

//if the difference is under the error then do nothing

} else {

if(R1 > R2)

{

initial_position = --initial_position; //Move the servo towards 0 degree

}

if(R1 < R2)

{

initial_position = ++initial_position; //Move the servo towards 180 degree

}

}

[login to view URL](initial_position); // write the position to servo

delay(100);

}

スキル: データ入力, ウェブリサーチャー, コピータイピング

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採用者について:
( 0件のレビュー ) Gandhinagar, India

プロジェクトID: #21675558

8人のフリーランサーが、このジョブに平均$376で入札しています

soiganraducu

I can do this project for you. Let's discuss details in private. Looking forward to working with you!

$350 USD 7日以内
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fkh5a7b3947b0f08

Sir this is my first project I will do it on time and perform this project very well

$555 USD 10日以内
(0件のレビュー)
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tahirjafar1234

I have worked on it already. Solar tracker system using microconroler and also through buck boost converter.

$444 USD 10日以内
(0件のレビュー)
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ahmednaserokasha

HI,I read your project description concerning Arduino Wave Generator and I'm interested in knowing more about it. As an Electronics Engineer, I have been working with robotics application for more than 3 years either もっと

$255 USD 3日以内
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MahmoudAlaaElDen

i am a mechatronics engineer. i already buit that project and i will be glad to send you the files. i can manufacture it and send it to you.

$250 USD 5日以内
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ESProj

Hi, Thanks for posting your project, Yes, I bid on your project because I have experience and confident in the field, I would like to have a clear discussion with you and understand your requirements. Kind Regar もっと

$500 USD 10日以内
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$400 USD 6日以内
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miandryasa

hi, I have been working for solar design and installation for 5years more, I have done solar controller regulator with Esp8266, and give the opportunity to user to control solar system energy via Android app. I mean i もっと

$250 USD 4日以内
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