ES practical syit sem 4

👉ITSUDENT

practical 1(a):-

• ES Practical 1 (A) Introduction to Arduino circuit

(1b)Aim:-write program to enable switching effect in LED using Arduino.

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here is the code:-

int animationSpeed=0; void setup() { pinMode(8,OUTPUT); } void loop() { animationSpeed=400; digitalWrite(8,HIGH); delay(animationSpeed); digitalWrite(8,LOW); delay(animationSpeed); }

practical 2:-

Aim:- Write a program to interface Light Sensitive Resistor  with Arduino:-

here is code:-

int ldr=A3; int bulb=7; void setup() { pinMode(bulb,OUTPUT); pinMode(ldr,INPUT); } void loop() { if(analogRead(ldr)>500) digitalWrite(bulb,0); else digitalWrite(bulb,1); }

practical 3 :-

Aim:-WRITE A PROGRAM TO INTERFACE TEMPRATURE SENSOR WITH ARDUINO.

TABLE:-

circuit diagram:-

input:-

here is the code:-

click:-ctrl+A
int baselineTemp=0; int celsius=0; int fahrenheit=0; void setup() { pinMode(A0,INPUT); Serial.begin(9600); pinMode(2,OUTPUT); pinMode(3,OUTPUT); pinMode(4,OUTPUT); } void loop() { baselineTemp=40; celsius =map(((analogRead(A0)-20)*3.04),0,1023,-40,125); fahrenheit=((celsius*9)/5+32); Serial.print(celsius); Serial.print("C,"); Serial.print(fahrenheit); Serial.println("F"); if(celsius<baselineTemp) { digitalWrite(2,LOW); digitalWrite(3,LOW); digitalWrite(4,LOW); } if(celsius>=baselineTemp && celsius<baselineTemp+10) { digitalWrite(2,HIGH); digitalWrite(3,LOW); digitalWrite(4,LOW); } if(celsius>=baselineTemp +10 && celsius<baselineTemp+20) { digitalWrite(2,HIGH); digitalWrite(3,HIGH); digitalWrite(4,LOW); } if(celsius>=baselineTemp +20 && celsius<baselineTemp+30) { digitalWrite(2,HIGH); digitalWrite(3,HIGH); digitalWrite(4,HIGH); } if(celsius >=baselineTemp+30) { digitalWrite(2,HIGH); digitalWrite(3,HIGH); digitalWrite(4,HIGH); } delay(100); }

here is output:-click temperature sensor increase temperature get the output

practical 4:-

Aim:-To study the working the humidity Sensors using Arduino.

Components:-Arduino Uno ,potentiometer(Wiper)

circuit diagram:-

 here is the code:-
const int analogIn=A1; int humiditySensorOutput=0; void setup() { Serial.begin(9600); } void loop() { humiditySensorOutput=analogRead(analogIn); int humidityPercentage=map(humiditySensorOutput,0,1023,10,70); Serial.print("Humidity;"); Serial.print(humidityPercentage); Serial.println("%"); delay(5000); }

practical 6:-

Aim:-write a program to interface Arduino with Ultrasonic sensor.

components:-

circuit diagram:-

Here is the code:-
const int pingPin = 7; const int ledPin = 13; void setup() { Serial.begin(9600); pinMode(ledPin, OUTPUT); } void loop() { pinMode(pingPin, OUTPUT); digitalWrite(pingPin, LOW); delayMicroseconds(2); digitalWrite(pingPin, HIGH); delayMicroseconds(5); digitalWrite(pingPin, LOW); pinMode(pingPin, INPUT); long duration = pulseIn(pingPin, HIGH); // Corrected typo float cm = microsecondsToCentimeters(duration); Serial.print("Distance: "); Serial.print(cm); Serial.print(" cm"); Serial.println(); if (cm < 100) { digitalWrite(ledPin, HIGH); } else { digitalWrite(ledPin, LOW); } delay(100); } long microsecondsToCentimeters(long microseconds) { return microseconds / 29 / 2; }

output:-

practical 7:-

Aim:-Write a program to interface passive Infrared Sensor

Here is the components:-

components

Circuit diagram:-

 Here is the code:-
int buttonState=0; void setup() { pinMode(2,INPUT); pinMode(LED_BUILTIN,OUTPUT); } void loop() { buttonState=digitalRead(2); if(buttonState == HIGH) { digitalWrite(LED_BUILTIN,HIGH); } else{ digitalWrite(LED_BUILTIN,LOW); } delay(10); }

Here is the output:-

practical:-8

Aim:-write a program to interface Arduino with Gas sensor.

Here is the components:-

Here is diagram:- 

Arduino with gas sensor

here is the code:-
int const GAS_PIN=A1; int LED_GREEN=7; int LED_YELLOW=6; int LED_RED1=5; int LED_RED2=4; void setup(){ pinMode(LED_GREEN,OUTPUT); pinMode(LED_YELLOW,OUTPUT); pinMode(LED_RED1,OUTPUT); pinMode(LED_RED2,OUTPUT); Serial.begin(9600); } void loop(){ int value=analogRead(GAS_PIN); value=map(value,300,750,0,100); digitalWrite(LED_GREEN,HIGH); digitalWrite(LED_YELLOW, value >=30 ? HIGH :LOW); digitalWrite(LED_RED1,value >=50 ?HIGH:LOW); digitalWrite(LED_RED2,value >=80 ?HIGH:LOW); delay(250); }

Here is the output:-

simulation is on

practical 9:-

Aim:-Write a program to interface an Arduino with servo motor.

Components:-

Here is the diagram:-

Arduino with micro servo

Here is the code:-
#include<Servo.h> Servo servoBase; void setup(){ servoBase.attach(A1); servoBase.write(0); } void loop(){ for(int i=0;i<=180;i=1+10) { servoBase.write(i); delay(200); } }

here is the output:-

practical 10:-

Aim:- Write a program to design a Joystick using an Arduino Board.

Components:-

Here is the diagram:-

Here is the code:-
byte led; int joystick; void setup() { for(byte n=2; n<13; n++) pinMode(n,OUTPUT); Serial.begin(115200); } void loop(){ joystick=analogRead(A0); led=map(joystick,0,1023,2,12); digitalWrite(led,1); delay(10); digitalWrite(led,0); }

Here is the Output diagram:-

Led blink

The End