210 Life

Program Code

/*

All the resources for this project: https://randomnerdtutorials.com/

*/

int rainPin = A0;

int greenLED = 6;

int redLED = 7;

// you can adjust the threshold value

int thresholdValue = 800;

void setup(){

pinMode(rainPin, INPUT);

pinMode(greenLED, OUTPUT);

pinMode(redLED, OUTPUT);

digitalWrite(greenLED, LOW);

digitalWrite(redLED, LOW);

Serial.begin(9600);

}

void loop()

{

// read the input on analog pin 0:

int sensorValue = analogRead(rainPin);

Serial.print(sensorValue);

if(sensorValue < thresholdValue){

Serial.println(" - Doesn't need watering");

digitalWrite(redLED, LOW);

digitalWrite(greenLED, HIGH);

}

else{

Serial.println(" - Time to water your plant");

digitalWrite(redLED, HIGH);

digitalWrite(greenLED, LOW);

}

delay(500);

}