Smart Irrigation System

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Materials used in this project are :

1) Arduino uno R3

2) Relay

3) DC motor pump

4) Soil Moisture sensor & Controller

5) Battery

Step 1: We Connect the Relay to Arduino UNO

Connections :

ARDUINO TO RELAY

5V - VCC

GND - GND

PIN 13 - IN1

Step 2: We Connect Soil Moisture Sensor to Arduino UNO

Connections:

ARDUINO TO SOIL MOISTURE SENSOR

5v - VCC

GND - GND

PIN 8 - AO(Analog Output)

Step 3: We Connect DC Water Pump to RELAY

Connections :

DC Water Pump To Relay

(we just cut the negative wire of pump and connected to NORMALLY OPEN PORT & COMMON PORT of RELAY)

Step 4: CIRCUIT DIAGRAM of This Project

Step 5: ARDUINO CODING

int Relay = 13;

int sensor = 8;

int val;

void setup() {

pinMode(13,OUTPUT);

pinMode(8,INPUT);

}

void loop() {

val = digitalRead(8);

if(val == HIGH )

{

digitalWrite(13,LOW);

}

else

{

digitalWrite(13,HIGH);

}

delay(400);

}

Step 6: DONE !

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