Hardware components | ||||||
_ztBMuBhMHo.jpg?auto=compress%2Cformat&w=48&h=48&fit=fill&bg=ffffff) |
| × | 1 | |||
 |
| × | 1 | |||
 |
| × | 1 | |||
 |
| × | 1 | |||
 |
| × | 1 | |||
 |
| × | 1 | |||
 |
| × | 1 | |||
 |
| × | 1 | |||
 |
| × | 1 | |||
 |
| × | 1 | |||
Software apps and online services | ||||||
 |
| |||||
 |
| |||||
Hand tools and fabrication machines | ||||||
 |
| |||||
Components
Components Details () {
Solderless Breadboard x 2,
Arduino Uno,
Node mcu,
16×2 LCD Display,
DHT11,
LDR sensor,
Soil moisture sensor,
MQ2 sensor,
320 ohm resistor,
led(GREEN),
motor-driver module,
Male to Male, Male to Female, Female to Female Jumper Wires,
5V 1A adaptor,
}
// ARDUINO PROGRAM
// smart greenhouse monitoring and controlling using iot--------by VIJAY S
//PHN NO: 9791224530
//vijayvjecs@gmail.com
#include<LiquidCrystal.h>
#include <DHT.h>
#include <SoftwareSerial.h>
#define DHTPIN A0
#define DHTTYPE DHT11
SoftwareSerial nodemcu(2, 3);
LiquidCrystal lcd(12,11,7,8,9,10);
DHT dht(DHTPIN, DHTTYPE);
String sensor1;
String sensor2;
String sensor3;
String sensor4;
String cdata = "";
int soil;
int ldr;
int mq2;
int ldrStatus =0;
int ledPin = 13;
int waterpump = 6;
int fan = 5;
int buz = 4;
void setup()
{
pinMode(ledPin, OUTPUT);
pinMode(waterpump, OUTPUT);
pinMode(fan, OUTPUT);
pinMode(buz, OUTPUT);
lcd.begin(16, 2);
dht.begin();
nodemcu.begin(9600);
lcd.setCursor(0, 0);
lcd.print("SMART");
lcd.setCursor(0, 1);
lcd.print(" GREENHOUSE ");
delay(1000);
lcd.clear();
}
void loop()
{
int h = dht.readHumidity();
int t = dht.readTemperature();
int soil=0;
int mq2=0;
ldrStatus = analogRead(A2);
soil = analogRead(A1);
mq2 = analogRead(A3);
cdata = cdata + h + "," + t + "," + soil + "," + ldrStatus + "," + mq2 + "," + sensor1 +"," + sensor2 + ","+ sensor3 + ","+ sensor4 + ",";
Serial.println(cdata);
nodemcu.println(cdata);
delay(600);
cdata = "";
(h, HIGH);
(t, HIGH);
(soil, HIGH);
(ldrStatus, HIGH);
(mq2, HIGH);
(sensor1, HIGH);
(sensor2, HIGH);
(sensor3, HIGH);
(sensor4, HIGH);
if (ldrStatus >= 200) {
digitalWrite(ledPin, HIGH);
sensor2 = "1023";
delay(200);
lcd.setCursor(4,1);
lcd.print("ON ");
} else {
digitalWrite(ledPin, LOW);
sensor2 = "0";
delay(200);
lcd.setCursor(4,1);
lcd.print("OFF");
}
if (soil > 300) {
digitalWrite(waterpump, HIGH);
sensor1 = "1023";
delay(200);
lcd.setCursor(12,1);
lcd.print("ON ");
}
if (soil < 300) {
digitalWrite(waterpump, LOW);
sensor1 = "0";
delay(200);
lcd.setCursor(12,1);
lcd.print("OFF");
}
if(t>35){
digitalWrite(fan, HIGH);
sensor3 = "1023";
}
if(t<35){
digitalWrite(fan, LOW);
sensor3 = "0";
}
if(mq2>250){
digitalWrite(buz, HIGH);
sensor4 = "1023";
}
if(mq2<250){
digitalWrite(buz, LOW);
sensor4 = "0";
}
lcd.setCursor(0,0);
lcd.print("H:");
lcd.setCursor(2,0);
lcd.print(h);
lcd.setCursor(5,0);
lcd.print("T:");
lcd.setCursor(7,0);
lcd.print(t);
lcd.setCursor(10,0);
lcd.print("SM:");
lcd.setCursor(13,0);
lcd.println(mq2);
lcd.setCursor(0,1);
lcd.print("LED:");
lcd.setCursor(8,1);
lcd.print("MTR:");
}
// NODEMCU PROGRAM
// smart greenhouse monitoring and controlling using iot--------by VIJAY S
//PHN NO: 9791224530
//vijayvjecs@gmail.com
#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <SoftwareSerial.h>
char auth[] = "IsqnzwR0PnkEm93o-Q4PrV51devzAa6_";
char ssid[] = "Lenovo132";
char pass[] = "144144@@@@";
SimpleTimer timer;
String myString; // complete message from arduino, which consistors of snesors data
char rdata; // received charactors
String vdata = "";
String vdata1 = "";
String vdata2 = "";
String vdata3 = "";
String vdata4 = "";
int firstVal,secondVal,thirdVal; // sensors
int h,t,soil,mq2,ldr;
int light,waterpump,fan,buz;
void myTimerEvent()
{
Blynk.virtualWrite(V1, millis() / 1000);
}
void setup()
{
Serial.begin(9600);
Blynk.begin(auth, ssid, pass);
timer.setInterval(10L, sensorvalue1);
timer.setInterval(100L,sensorvalue2);
timer.setInterval(100L,sensorvalue3);
timer.setInterval(100L,sensorvalue4);
timer.setInterval(100L,sensorvalue5);
}
void loop()
{
if (Serial.available() == 0 )
{
Blynk.run();
timer.run(); // Initiates BlynkTimer
}
if (Serial.available() > 0 )
{
rdata = Serial.read();
myString = myString + rdata;
if ( rdata == '\n')
{
Serial.println(myString);
String l = getValue(myString, ',', 0);
String m = getValue(myString, ',', 1);
String n = getValue(myString, ',', 2);
String o = getValue(myString, ',', 3);
String p = getValue(myString, ',', 4);
String q = getValue(myString, ',', 5);
String r = getValue(myString, ',', 6);
String s = getValue(myString, ',', 7);
String v = getValue(myString, ',', 8);
h = l.toInt();
t = m.toInt();
soil = n.toInt();
ldr = o.toInt();
mq2 = p.toInt();
light = q.toInt();
waterpump = r.toInt();
fan = s.toInt();
buz = v.toInt();
myString = "";
}}}
void sensorvalue1()
{
int sdata = h;
Blynk.virtualWrite(V10, sdata);
int sdata1 = t;
Blynk.virtualWrite(V11, sdata1);
int sdata2 = soil;
Blynk.virtualWrite(V12, sdata2);
int sdata3 = ldr;
Blynk.virtualWrite(V13, sdata3);
int sdata4 = mq2;
Blynk.virtualWrite(V14, sdata4);
vdata = vdata + sdata;
Blynk.virtualWrite(V2, vdata);
vdata = "";
vdata1 = vdata1 + sdata1;
Blynk.virtualWrite(V2, vdata1);
vdata1 = "";
vdata2 = vdata2 + sdata2;
Blynk.virtualWrite(V2, vdata2);
vdata2 = "";
vdata3 = vdata3 + sdata3;
Blynk.virtualWrite(V2, vdata3);
vdata3 = "";
vdata4 = vdata4 + sdata4;
Blynk.virtualWrite(V2, vdata4);
vdata4 = "";
delay(1000);
}
void sensorvalue2()
{
int sdata5 = light;
Blynk.virtualWrite(V15, sdata5);
}
void sensorvalue3()
{
int sdata6 = waterpump;
Blynk.virtualWrite(V16, sdata6);
}
void sensorvalue4()
{
int sdata7 = fan;
Blynk.virtualWrite(V17, sdata7);
}
void sensorvalue5()
{
int sdata8 = buz;
Blynk.virtualWrite(V18, sdata8);
}
String getValue(String data, char separator, int index)
{
int found = 0;
int strIndex[] = { 0, -1 };
int maxIndex = data.length() - 1;
for (int i = 0; i <= maxIndex && found <= index; i++) {
if (data.charAt(i) == separator || i == maxIndex) {
found++;
strIndex[0] = strIndex[1] + 1;
strIndex[1] = (i == maxIndex) ? i + 1 : i;
}}
return found > index ? data.substring(strIndex[0], strIndex[1]) : "";
}
Comments