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Showing posts from December, 2023

Wet & Dry Waste Smart Dustbin for House | Best science Project | Harish Projects

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 Watch Full Detailed video 👇🏻 Diagram in Video👆 //Arduino Code// //YouTube: Harish Projects //Order Electronic Parts & Project kit:  HarishProjects.com // #include <Servo.h> Servo servo1; const int trigPin = 12; const int echoPin = 11; long duration; int distance=0; int potPin = A0; //input pin int soil=0; int fsoil; void setup()  {   Serial.begin(9600); //Serial.print("Humidity"); pinMode(trigPin, OUTPUT);  pinMode(echoPin, INPUT);  servo1.attach(8); } void loop()  { //YouTube: Harish Projects //Order Electronic Parts & Project kit:  HarishProjects.com //      int soil=0;   for(int i=0;i<2;i++)   { digitalWrite(trigPin, LOW); delayMicroseconds(7); digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); delayMicroseconds(10); duration = pulseIn(echoPin, HIGH); distance= duration*0.034/2+distance; delay(10);   }   distance=distance/2;   Serial.println(distance); if ...

Automatic Smart Street Light | Best science Project | Harish Projects

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 Watch Full Detailed Video //Arduino Code int IR1 = 8; int IR2 = 12; int IR3 = 13; int LDR = 7; int led1 = 3; int led2 = 5; int led3 = 6; int val1; int val2; int val3; int val4; void setup() { pinMode(IR1,INPUT); pinMode(IR2,INPUT); pinMode(IR3,INPUT); pinMode(LDR,INPUT); pinMode(led1,OUTPUT); pinMode(led2,OUTPUT); pinMode(led3,OUTPUT); } void loop() { val1 = digitalRead(IR1); val2 = digitalRead(IR2); val3 = digitalRead(IR3); val4 = digitalRead(LDR); if(val1==1&&val4==0&&val2==1&&val3==1) { digitalWrite(3,LOW); digitalWrite(5,LOW); digitalWrite(6,LOW); } else if(val1==1&&val4==1&&val2==1&&val3==1) { analogWrite(3,20); analogWrite(5,20); analogWrite(6,20); } else if(val1==0&&val4==1&&val2==1&&val3==1) { analogWrite(3,500); analogWrite(5,20); analogWrite(6,20); } else if(val1==1&&val4==1&&val2==0&&val3==1) { analogWrite(3,20); analogWrite(5,500); analogWrite(6,20); } else if(val1==1&...