Building And Coding An Automated Garden

Photo of griffin-pilz

Made by griffin-pilz / Garden / Plants / Sensors

About the project

Using an Arduino Uno to automate your garden.

Project info

Difficulty: Moderate

Platforms: Arduino

Estimated time: 2 hours

License: GNU General Public License, version 3 or later (GPL3+)

Items used in this project

Hardware components

	Arduino Uno - R3	x 1
	Tiny Breadboard	x 1
	Submersible 3V DC Water Pump with 1 Meter Wire - Horizontal Type	x 1
	Adafruit STEMMA Soil Sensor - I2C Capacitive Moisture Sensor - JST PH 2mm	x 1
	10A-250VAC, 10A-30VDC, Power Relay Gadgeteer module	x 1

Story

How to build an automated garden!

Schematics, diagrams and documents

Schematic diagram

https://www.tinkercad.com/things/g6waQJQqzdr?sharecode=r726dZQrR8tIQQOboDY12ab7LZC_MLYXq6zwDj9KdQY

Code

const long very_dry = 600;
const long dry = 550;
const long damp = 500;
const long wet = 400;

const char pump_1 = A0;
const char sensor_1 = A1;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(pump_1, OUTPUT);
  pinMode(sensor_1, INPUT);
  pinMode(LED_BUILTIN, OUTPUT);
  delay(3000);
}

void loop() {
  // put your main code here, to run repeatedly:
  int sensor_value_1 = analogRead(sensor_1);
  Serial.println(sensor_value_1);
  digitalWrite(LED_BUILTIN, LOW);
  if (sensor_value_1 > damp) {
    digitalWrite(pump_1, HIGH);
    Serial.println("Pump on");
    digitalWrite(LED_BUILTIN, HIGH);
    delay(5000);
    digitalWrite(pump_1, LOW);
    Serial.println("Pump off");
    digitalWrite(LED_BUILTIN, LOW);
  } else {
     Serial.println("Wet");
  }
  delay(1000);

}

Credits

Photo of griffin-pilz

griffin-pilz

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