Thirsty Plant Water Bomb

Thirsty_plant_water_bomb.ino

/*TWSU Thirsty Plant Water Bomb code

Learn how to make your Thirsty Plant Water Bomb over at http://techwillsaveus.com/resources/diy-thirsty-plant-water-bomb/

created May 2015
*/

#include <Servo.h> 

Servo servo; 
int thresh = 300; //threshold to trigger servo
int count;
int pos = 0;    // variable to store the servo position 

void setup() 
{ 
  Serial.begin(9600);
  servo.attach(9);  // initializes the servo
  delay(10000); //delay to stop servo instantly moving
} 


void loop() 
{ 
  Serial.println(analogRead(0));


  // thirsty plant threshold reached (when dry)
  if(analogRead(0) > thresh){
    for(pos = 0; pos < 30; pos += 1)  // goes from 0 degrees to 20 degrees 
    {                                  // in steps of 1 degree 
      servo.write(pos);              // tell servo to go to position in variable 'pos' 
      delay(1);                      
    } 
    for(pos = 30; pos>=1; pos-=1)     // goes from 20 degrees to 0 degrees 
    {                                
      servo.write(pos);              // tell servo to go to position in variable 'pos' 
      delay(1);                      
    } 
  }

}