Code for our garden automation project

garden.ino

#include <dht.h>
// For DHT11 sensor
dht DHT;

// PINS
#define DHT11_PIN A7
#define SMOISTURE_PIN A0
#define PDIODE_PIN A1
#define LED_PIN D5
#define MOTOR_PIN

// Thresholds
#define LIGHT_THRESHOLD 2
#define TEMP_THRESHOLD 28
#define MOISTURE_THRESHOLD 850

void setup() {
	Serial.begin(9600);

	// Configure these pins as output
	pinMode(LED_PIN, OUTPUT);
	pinMode(MOTOR_PIN, OUTPUT);
}

void loop() {
	// read the input on analog pin 0:
	int moistureValue = analogRead(A0);

	int chk = DHT.read11(DHT11_PIN);
	int tempValue = DHT.temprature;
	int pdiodeValue = analogRead(PDIODE_PIN);
	float light = pdiodeValue / 1024.0 * 5.0;

	// Turn on LED if light under LIGHT_THRESHOLD
	if( light < LIGHT_THRESHOLD )
		digitalWrite(LED_PIN, HIGH);
	else
		digitalWrite(LEG_PIN, LOW);

	// Turn on motors if temp value is greater than TEMP_THRESHOLD
	// and moistureValue greater than MOISTURE_THRESHOLD
	if( tempValue > TEMP_THRESHOLD || moistureValue > MOISTURE_THRESHOLD )
		analogWrite(MOTOR_PIN, 64);
	else
		analogWrite(MOTOR_PIN, 0);

	delay(1000);
}