Automatic Pet Feeder using Arduino | Set The Time Using Keypad

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📌Introduction
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Today we are building an Arduino based Automatic Pet Feeder which can automatically serve food to your pet timely. It has a DS3231 RTC (Real Time Clock) Module, which used to set time and date on which your pet should ////////be given food. So, by setting up the time according to your pet’s eating schedule, the device drop or fill the food bowl automatically.

In this circuit, we are using a 16*2 LCD to display the time using DS3231 RTC Module with Arduino UNO. Also, a servo motor is used to rotate the containers to provide the food and 4*4 matrix keypad to manually set up the time for feeding the Pet. You can set the rotation angle and container opening duration according to the quantity of food you want to serve to your pet. The quantity of food may also depend upon your pet whether it’s a dog, cat or bird.

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📌 Circuit Design
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In this Arduino based Cat Feeder, for Getting Time and Date, we have used RTC (Real Time Clock) Module. We have used the 4*4 Matrix Keypad to set the Pet’s eating time manually with the help of 16x2 LCD. The Servo motor rotates the container and drop the food on the time set by the user. The LCD is used for displaying the Date and Time

📌 DS3231 RTC Module
DS3231 is a RTC (Real Time Clock) module. It is used to maintain the date and time for most of the Electronics projects. This module has its own coin cell power supply using which it maintains the date and time even when the main power is removed or the MCU has gone through a hard reset. So once we set the date and time in this module it will keep track of it always. In our circuit, we are using DS3231 to feed the pet according to the time, set up by the Pet’s owner, like an alarm. As, clock reaches to the set time, it operates the servo motor to open the container gate and the food drops in the Pet’s food bowl

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📌 Tags
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#pet_feeder #automation #arduino

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📌 Source Code
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Arduino have default libraries for using the Servo motor and LCD 16*2 with it. But for using DS3231 RTC Module and 4*4 Matrix Keypad with the Arduino, you have to download and install the libraries.
1. Keypad.h
2. Servo.h
3. DS3231.h
Automatics Pet Feeder’s Complete Arduino Code is given in comment section

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Copyright Disclaimer under Section 107 of the copyright act 1976, allowance is made for fair use for purposes such as criticism, comment, news reporting, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favour of fair use.