Fully Automatic Plant Watering System

Let your plants take care of themselves!

Jul 18, 2020

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58862 views

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15 respects

garden

Devices & Components

Arduino Nano

Relay Module (Generic)

capacitive soil moisture sensor

5V DC Water Pump

Hardware & Tools

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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