Objective:          To Control (ON/ OFF) the devices using mechanical switching operation Components Required Arduino Uno Push Button Buzzer Connection Diagram Program int SwitchPin = 2, ButtonPin= 3, BuzzPin=13, sensorValue ; void setup() { pinMode(ButtonPin, INPUT); pinMode(BuzzPin, OUTPUT); Serial.begin(9600); } void loop() { sensorValue = digitalRead(ButtonPin); if(sensorValue == HIGH) { Serial.println(“LED ON”); digitalWrite(BuzzPin, HIGH); } […]

Objective:          To measure the amount of temperature and moisture content present in the atmosphere Components Required Arduino Uno Temperature & Moisture Sensor (DHT-11) Connection Diagram Program #include <DHT.h> #define DHTtype DHT11 DHT dht(DHTpin, DHTtype); uint8_t temperature, humid, DHTpin=5; void setup() { Serial.begin(9600); pinMode(DHTpin,INPUT); dht.begin(); lcd.begin(); } void loop() { temperature = dht.readTemperature(); humid= dht.readHumidity(); […]

Objective:          To control the rotation direction and to stop/start the DC motor by Arduino Uno Components Required Arduino Uno Direct Current (DC) Motor Connection Diagram Program int MotorPin1=4, MotorPin2=5; void setup() { pinMode(MotorPin1, OUTPUT); pinMode(MotorPin2, OUTPUT); } void loop() { digitalWrite(MotorPin1,HIGH); digitalWrite(MotorPin3,LOW); delay(5000); digitalWrite(MotorPin1,LOW); digitalWrite(MotorPin3,HIGH); delay(5000); } Working          The DC motor has two […]

Objective:          To measure the amount of temperature present in the atmosphere Components Required Arduino Uno Temperature Sensor (LM35) Connection Diagram Program int sensorPin = A0; int sensorValue = 0; void setup() { pinMode(sensorPin, INPUT); Serial.begin(9600); } void loop() { sensorValue = analogRead(sensorPin); float temperatureC=sensorPin/2.048; float temperatureF= ((temperatureC ) * 9.0 / 5.0) + 32.0; […]