Skip to content

Instantly share code, notes, and snippets.

@VeggieVampire
Created February 28, 2019 10:14
Show Gist options
  • Save VeggieVampire/dc125ef5a129463032a895b308b57c8a to your computer and use it in GitHub Desktop.
Save VeggieVampire/dc125ef5a129463032a895b308b57c8a to your computer and use it in GitHub Desktop.
// the setup function runs once when you press reset or power the board
int led6 = 6;
int buzzer = 7;
int val = 0; //value for storing moisture value
int soilPin = A4;//Declare a variable for the soil moisture sensor
int soilPower = 2;//Variable for Soil moisture Power
int SoilMoisture;
int DryValue = 500;
void setup() {
pinMode(soilPower, OUTPUT);//Set D7 as an OUTPUT
digitalWrite(soilPower, LOW);//Set to LOW so no power is flowing through the sensor
pinMode(led6, OUTPUT);
pinMode(buzzer, OUTPUT);
// Serial Monitor @ 115200
Serial.begin(115200);
Serial.println(" Starting at 115200 baud");
Serial.println("<Arduino is ready>");
}
// the loop function runs over and over again forever
void loop() {
//
//BUZZ();
//Serial.print("Soil Moisture = ");
//get soil moisture value from the function below and print it
//Serial.println(readSoil());
readSoil();
Serial.println(SoilMoisture);
if(SoilMoisture >= DryValue){
LED_light();
//BUZZ();
// Serial.println(SoilMoisture);
}
delay(1000);//take a reading every second
}
int readSoil(){ //This is a function used to get the soil moisture content
digitalWrite(soilPower, HIGH);//turn D7 "On"
delay(10);//wait 10 milliseconds
val = analogRead(soilPin);//Read the SIG value form sensor
digitalWrite(soilPower, LOW);//turn D7 "Off"
SoilMoisture = val;
return val;//send current moisture value
}
void LED_light(){
Serial.println("Dry!!");
digitalWrite(led6, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(led6, LOW); // turn the LED off by making the voltage LOW
}
void BUZZ(){
Serial.println("BUZZ");
digitalWrite(buzzer, HIGH);
delay(1000);
digitalWrite(buzzer, LOW);
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment