Fully Automatic Plant Watering System

Let your plants take care of themselves!

Jul 18, 2020

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57791 views

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15 respects

garden

Components and supplies

Relay Module (Generic)

capacitive soil moisture sensor

Arduino Nano R3

5V DC Water Pump

Tools and machines

Soldering iron (generic)

Project description

Code

Arduino Plant Waterer

c_cpp

1// if the soil is dryer than this number, then start watering
2const   int dry = 270;
3
4const int pumpPin = 12;
5const int soilSensor = A4;
6
7void   setup() {
8  pinMode(pumpPin, OUTPUT);
9  pinMode(soilSensor, INPUT);
10  Serial.begin(9600);
11   digitalWrite(pumpPin, HIGH);
12  delay(5000);
13}
14
15void loop() {
16  //   read current moisture
17  int moisture = analogRead(soilSensor);
18  Serial.println(moisture);
19   delay(5000);
20  
21  if (moisture >= dry) {
22    // the soil is too dry,   water!
23    Serial.println("Watering starts now..moisture is " + String(moisture));
24     digitalWrite(pumpPin, LOW);
25
26    // keep watering for 5 sec
27    delay(5000);
28
29     // turn off water
30    digitalWrite(pumpPin, HIGH);
31    Serial.println("Done   watering.");
32  } else {
33    Serial.println("Moisture is adequate. No watering   needed " + String(moisture));
34  }
35}

// if the soil is dryer than this number, then start watering
const   int dry = 270;

const int pumpPin = 12;
const int soilSensor = A4;

void   setup() {
  pinMode(pumpPin, OUTPUT);
  pinMode(soilSensor, INPUT);
  Serial.begin(9600);
   digitalWrite(pumpPin, HIGH);
  delay(5000);
}

void loop() {
  //   read current moisture
  int moisture = analogRead(soilSensor);
  Serial.println(moisture);
   delay(5000);
  
  if (moisture >= dry) {
    // the soil is too dry,   water!
    Serial.println("Watering starts now..moisture is " + String(moisture));
     digitalWrite(pumpPin, LOW);

    // keep watering for 5 sec
    delay(5000);

     // turn off water
    digitalWrite(pumpPin, HIGH);
    Serial.println("Done   watering.");
  } else {
    Serial.println("Moisture is adequate. No watering   needed " + String(moisture));
  }
}

Arduino Plant Waterer

c_cpp

1// if the soil is dryer than this number, then start watering
2const  int dry = 270;
3
4const int pumpPin = 12;
5const int soilSensor = A4;
6
7void  setup() {
8  pinMode(pumpPin, OUTPUT);
9  pinMode(soilSensor, INPUT);
10  Serial.begin(9600);
11  digitalWrite(pumpPin, HIGH);
12  delay(5000);
13}
14
15void loop() {
16  //  read current moisture
17  int moisture = analogRead(soilSensor);
18  Serial.println(moisture);
19  delay(5000);
20  
21  if (moisture >= dry) {
22    // the soil is too dry,  water!
23    Serial.println("Watering starts now..moisture is " + String(moisture));
24    digitalWrite(pumpPin, LOW);
25
26    // keep watering for 5 sec
27    delay(5000);
28
29    // turn off water
30    digitalWrite(pumpPin, HIGH);
31    Serial.println("Done  watering.");
32  } else {
33    Serial.println("Moisture is adequate. No watering  needed " + String(moisture));
34  }
35}

// if the soil is dryer than this number, then start watering
const  int dry = 270;

const int pumpPin = 12;
const int soilSensor = A4;

void  setup() {
  pinMode(pumpPin, OUTPUT);
  pinMode(soilSensor, INPUT);
  Serial.begin(9600);
  digitalWrite(pumpPin, HIGH);
  delay(5000);
}

void loop() {
  //  read current moisture
  int moisture = analogRead(soilSensor);
  Serial.println(moisture);
  delay(5000);
  
  if (moisture >= dry) {
    // the soil is too dry,  water!
    Serial.println("Watering starts now..moisture is " + String(moisture));
    digitalWrite(pumpPin, LOW);

    // keep watering for 5 sec
    delay(5000);

    // turn off water
    digitalWrite(pumpPin, HIGH);
    Serial.println("Done  watering.");
  } else {
    Serial.println("Moisture is adequate. No watering  needed " + String(moisture));
  }
}

Downloadable files

automatic_plant_waterer_v2_av2X0UOI9J.png

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