Fish feeder

Required materials

Connection

Code

/*

-Using IR receive to control LED and Servo motor.

The motor conrol the feeder.

IR Library by Ken S.

*/

#include <Servo.h> // add the Servo library

#include <IRremote.h> // add IR remote library

#include <LiquidCrystal.h> // add the LCD library

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

int recvPin = 13; // set the pin to receive the signal on

int blueLed = 9;

int greenLed = 8;

int yellowLed = 7;

IRrecv irrecv(recvPin); // defone the pin as a recv pin

decode_results results;

Servo myservo;

void setup() {

lcd.begin(16, 2);

lcd.setCursor(0, 0);

lcd.print("Fish feeder");

lcd.setCursor(0, 1);

lcd.print("Press 0 to start");

Serial.begin(9600); // starts the serial monitor

irrecv.enableIRIn(); // starts the receiver

pinMode(blueLed, OUTPUT);

pinMode(greenLed, OUTPUT);

pinMode(yellowLed, OUTPUT);

}

/*

* Please get the IR Remote key values for button

* 1, 2 and 3 before continuing to the loop section.

* Tutorials on the IT Remote control LED lab on this site

* You can use the Hex values or convert them to binary

*/

void loop() {

//decodes the infrared input

if (irrecv.decode(&results)) {

Serial.println(results.value);

//switch case to use the selected remote control button

switch (results.value) {

case 16738455: //when button 0 is pressed

myservo.attach(10);

digitalWrite(blueLed, HIGH);

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Press 1 to feed"); // prints to LCD

Serial.println("start"); // prints to Serial monitor

break;

case 16724175: //when button 1 is pressed

myservo.write(180);

digitalWrite(greenLed, HIGH);

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Feeding...");

lcd.setCursor(0, 1);

lcd.print("Press 2 to stop");

break;

case 16718055: //when button 2 is pressed

myservo.write(-180);

digitalWrite(yellowLed, HIGH);

digitalWrite(greenLed, LOW);

digitalWrite(blueLed, LOW);

lcd.clear();

lcd.setCursor(0, 0);

lcd.print("Fish fed...");

lcd.setCursor(0, 1);

lcd.print("Hit 0 to reset");

break;

default:

//digitalWrite(blueLed, HIGH);

digitalWrite(yellowLed, LOW);

break;

}

irrecv.resume(); // continue to the next value

}

delay(10);

}