Watch the video
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| The device and plant setup |
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| Light sensor and Soil moister sensor |
What about growing your any plants from anywhere around the world without your actual presence? Yes it is possible by this project called 'IoT Plant'.
You can water you plant through different modes available in the android application and you will get the real time reading of moister, temperature and light that is available for the plant on your smartphone. And also you will get an email when your plant require water, manure etc..
Let's read more about it -
You can water you plant through different modes available in the android application and you will get the real time reading of moister, temperature and light that is available for the plant on your smartphone. And also you will get an email when your plant require water, manure etc..
Let's read more about it -
What is IoT (internet of things)? - simple definition
Internet of thing is the ecosystem of connected physical devices that are accessible through the internet.
This project was made using the micro controller called arduino. - It is cheap opensource board which can be used for different applications by programming using C++ language through the arduino IDE software. And an IoT board called EP8266 which revolutionized the Internet of things. For a mere dollar you can add a whole world wireless capability to your projects. That is the reason why we are choose ESP8266 for making this project. Features of IoT Plant
- Cheap price (~4000rs)
- You can monitor the real time requirement of the plant.
- Different modes of water supply for different types of plants
What you can monitor?
- The humidity of the soil.
- Light available to the plant leafs and temperature of the atmosphere.
Different modes of water supply
- Manual mode - You can manually supply the water.
- Timer mode - Can be used to supply water in regular interval of time or at a particular time every day.
- Automatic mode - Automatically supply water as per the requirement of the plant. Suitable for the plants which always need water.(eg: Paddy cultivation)
Technical details
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It is used some sensors such as soil moister sensor, temperature sensor and light sensor to monitor the real time environment of the plant. Also a water pump and relay to pump the water to the plant.
For this project I am used an IoT application called 'Blynk'. Through this application we are controlling the water pump and see the environment or the water requirement of the plant through different types of graphs.
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| IOT application - 'Blynk' |
Parts used
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| Electronic parts |
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| Mechanical parts |
- Arduino nano
- ESP8266
- ESP8266 programmer
- LCD display
- Relay module
- Plastic box (17 x 11 cm wide)
- Ac to DC 12 volt 2 AH regulator.
- Water pump
- Switch
Circuit diagram
Arduino code (C++ language)
This is the program uploaded to arduino board
const int mPin = A1;
const int lPin = A2;
const int tPin = A3;
int mValue = 0;
int lValue = 0;
int tValue = 0;
int moist = 0;
int light = 0;
int temp = 0;
//--
byte datas1 = 0;
byte datas2 = 0;
byte datas3 = 0;
//--
const int motor_in = 2;
const int auto_in = 4;
const int motor_out = 7;
int mstate = 0;
int astate = 0;
//-------LCD--------
#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>
#define I2C_ADDR 0x3F // <<----- Add your address here. Find it from I2C Scanner
#define BACKLIGHT_PIN 3
#define En_pin 2
#define Rw_pin 1
#define Rs_pin 0
#define D4_pin 4
#define D5_pin 5
#define D6_pin 6
#define D7_pin 7
LiquidCrystal_I2C lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin);
//-------LCD--------
void setup() {
Serial.begin(115200);
//-------LCD--------
lcd.begin (16,2); // <<----- My LCD was 16x2
// Switch on the backlight
lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE);
lcd.setBacklight(HIGH);
lcd.home (); // go home
lcd.print("** IOT PLANT **");
delay(1000);
//-------LCD--------
pinMode(motor_in, INPUT);
pinMode(auto_in, INPUT);
pinMode(motor_out, OUTPUT);
}
void loop() {
// read the analog in value:
mValue = analogRead(mPin);
lValue = analogRead(lPin);
tValue = analogRead(tPin);
moist = map(mValue, 300, 1023, 100, 0);
light = map(lValue, 0, 1023, 100, 0);
temp = (5.0 * tValue * 100.0) / 1024;
mstate = digitalRead(motor_in);
astate = digitalRead(auto_in);
//---------- manuel mode ----
if (mstate == HIGH && astate == LOW)
{
digitalWrite(motor_out, HIGH);
lcd.clear();//***************
lcd.setCursor (0,0); // go to start of 1nd line
lcd.print("Water is pumping");
lcd.setCursor (0,1); // go to start of 2nd line
lcd.print("Moisture:");
lcd.setCursor (9,1);
lcd.print(moist);
lcd.setCursor (11,1);
lcd.print("%");
delay(1000);
}
//---------- automatic mode ----
else if (mstate == LOW && astate == HIGH)
{
if (moist < 25)
{
digitalWrite(motor_out, HIGH);
lcd.clear();//***************
lcd.setCursor (0,0); // go to start of 1nd line
lcd.print("Water is pumping");
lcd.setCursor (0,1); // go to start of 2nd line
lcd.print("Moisture:");
lcd.setCursor (9,1);
lcd.print(moist);
lcd.setCursor (11,1);
lcd.print("%");
delay(1000);
}
else
{
digitalWrite(motor_out, LOW);
lcd.clear();//***************
lcd.setCursor (0,0); // go to start of 1nd line
lcd.print("Water is excess");
lcd.setCursor (0,1); // go to start of 1nd line
lcd.print("motor turned off");
delay(1000);
}
}
else
{
digitalWrite(motor_out, LOW);
//-------------------------------------------
lcd.clear();//*******
lcd.setCursor (0,0); // go to start of 1nd line
lcd.print("Moisture:");
lcd.setCursor (9,0);
lcd.print(moist);
lcd.setCursor (11,0);
lcd.print("%");
lcd.setCursor (0,1); // go to start of 2nd line
lcd.print("Temperature:");
lcd.setCursor (12,1);
lcd.print(temp);
lcd.setCursor (15,1);
lcd.print("C");
delay(1000);
lcd.clear();//***************
lcd.setCursor (0,0); // go to start of 1nd line
lcd.print("Moisture:");
lcd.setCursor (9,0);
lcd.print(moist);
lcd.setCursor (11,0);
lcd.print("%");
lcd.setCursor (0,1); // go to start of 2nd line
lcd.print("Light:");
lcd.setCursor (6,1);
lcd.print(light);
lcd.setCursor (8,1);
lcd.print("%");
delay(1000);
//------------------------------------------------
}
//----------
datas1 = moist & 0xFF;
Serial.write(0x8);
Serial.write(datas1);
datas2 = light & 0xFF;
Serial.write(0x7);
Serial.write(datas2);
datas3 = temp & 0xFF;
Serial.write(0x6);
Serial.write(datas3);
delay(5);
} ESP8266 code (C++ language)
This is the program uploaded to ESP8266 board.
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
byte ID = 0;
int data = 0;
// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "49f8b849e38141d48366b93170b7a529";
// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "iotplant";
char pass[] = "12345678";
#define moistpin V1
#define lightpin V5
#define temppin V2
BlynkTimer timer;
BLYNK_CONNECTED() {
Blynk.syncAll();
}
void myTimerEvent()
{
if(Serial.available()>0)
{
ID = Serial.read();
data = Serial.read();
if(ID == 0x6)
{
Blynk.virtualWrite(moistpin, data);
if (data<25)
{
Blynk.email("Subject:* IOT PLANT *", "Plant need water");
Blynk.notify("YOUR PLANT IS THURSTY!");
}
}
if(ID == 0x7)
{
Blynk.virtualWrite(lightpin, data);
}
if(ID == 0x8)
{
Blynk.virtualWrite(temppin, data);
}
}
else
{
Blynk.virtualWrite(V1, 0);
Blynk.virtualWrite(V5, 0);
Blynk.virtualWrite(V2, 0);
}
}
void setup()
{
Serial.begin(115200);
Blynk.begin(auth, ssid, pass);
timer.setInterval(1000L, myTimerEvent);
}
void loop()
{
Blynk.run();
timer.run(); // Initiates BlynkTimer
}
Future plans/updates
- Adding a camera to monitor the growth of the plant
- Adding a sensor to monitor the nitrogen content in the soil, to supply the manure for the plant.
In this tutorial I am going to show how to program ESP8266 - 01 using Arduino board or using FTDI parallel to serial converter through few easy steps.
This is a collection of simple "how to use' tutorials of arduino modules. Let's see one by one.
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When the Flame sensor is dictates fire LED will glow.
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By using below sketch you can see the real time reading of DHT11 sensor in your aruino IDE serial monitor.
This is a simple, brief guide to use or test your PIR motion sensor with arduino for first time.
When the PIR sensor is detect a motion the LED will glow.
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- In nuclear plant disasters
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- The first wearable technology for blinds
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"A perfectly working line follower robot using arduino"
This is a simple tutorial to make a line follower robot using arduino. In this tutorial I am using the same robot platform of my previous tutorial "Make you first arduino robot". You can follow that tutorial to make the platform of this robot.
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Smartphone controlled , obstacle avoiding and wall follower robot.
Are you a beginner in arduino and have a plan to make your first robot then follow this tutorial.
Are you not yet used an arduino then-have a familiar of this by feeling it.
What about making your own robots. It's really cool thing?.But don't know where to start. Then this tutorial is (best) for you. In this tutorial I am going to show how to make an arduino robot with different functionalities in cheap price. We can learn the use of different programs for different functions, mainly a smart phone controlled robot with Obstacle avoid er, wall follower or maze solver robot etc or You can also make it for a single function.
Smartphone controlled , obstacle avoiding and wall follower robot.
Are you a beginner in arduino and have a plan to make your first robot then follow this tutorial.
Are you not yet used an arduino then-have a familiar of this by feeling it.
What about making your own robots. It's really cool thing?.But don't know where to start. Then this tutorial is (best) for you. In this tutorial I am going to show how to make an arduino robot with different functionalities in cheap price. We can learn the use of different programs for different functions, mainly a smart phone controlled robot with Obstacle avoid er, wall follower or maze solver robot etc or You can also make it for a single function.
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Main uses/Possibilities -
- Disaster management -
This robot have a simple design and only have two wheels and in a cylindrical shape therefore it can travel to almost all terrains and through dangerous areas .
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This robot is look like a piece of PVC pipe there for no one can simply identify this is a robot since we can use this for taking images and fore collecting information as spying agent.
- Home surveillance robot
Pipe bot in action. Watch the video to understanding the controlling of the pipe bot using the bluetooth app.
Here I made a
simple low cost better quality music box only using 500rupees(8$).
All the items were purchased from locally.
Lets start making-
This is my first robot I made using some old toys part.
Won first price in Southern India Science Fair
Runner up @ Dr. Pradeep P Thevannoor Innovation Awards 2015
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