Sun Tracker Solar Panel - Circuit Diagram | Dual Axis Without Arduino | Harish Projects

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 Circuit Components List  1. TDA2822 IC 2x 2. 10k ohm Resistor 4x 3. 5mm LDR 4x 4. N20 Gear Motor 2x 5. N20 Wheel 6. Solar Panel  7. Zero PCB 8. Sunboard  9. 3.7v Small Battery  10. Charging Module 11. Tip Top Button Ordre all components from Here  Click here 👉  https://harishprojects.com/   …….. Circuit Diagram……….. ……….Watch full Detailed video………
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Distance Measuring Device using Ultrasonic sensor | Best Arduino Project | Harish Projects

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 Full Making video Link - https://youtu.be/uc2f4fa_6GQ


//Arduino Code//

//CODE BY Javier Muñoz Sáez,05/11/2016 questions to javimusama@gmail.com
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define CommonSenseMetricSystem
//#define ImperialNonsenseSystem

#define trigPin 13
#define echoPin 12

#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);

void setup() {
  Serial.begin (9600);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C); //initialize with the I2C addr 0x3C (128x64)
  display.clearDisplay();

}

void loop() {
  long duration, distance;
  
  digitalWrite(trigPin, LOW);  //PULSE ___|---|___
  delayMicroseconds(2); 
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10); 
  digitalWrite(trigPin, LOW);
  
  duration = pulseIn(echoPin, HIGH);
  
  #ifdef CommonSenseMetricSystem
  distance = (duration/2) / 29.1;
  #endif
  #ifdef ImperialNonsenseSystem
  distance = (duration/2) / 73.914;
  #endif

  display.setCursor(22,20);  //oled display
  display.setTextSize(3);
  display.setTextColor(WHITE);
  display.println(distance);
  display.setCursor(85,20);
  display.setTextSize(3);
  
  #ifdef CommonSenseMetricSystem
  display.println("cm");
  #endif
  #ifdef ImperialNonsenseSystem
  display.println("in");
  #endif
  
  display.display();

  delay(500);
  display.clearDisplay();
 
  Serial.println(distance);//debug
  
 

}
//Project Diagram//


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