Automatic Cat Feeder

For all of you busy people who have a cat or small dog and you need to leave your pet for a while, here we have just the thing.This project is really for those people out there who are familiar with Arduino Microprocessors and wish to further their 3D Prints by adding some electronics, but saying that, there are plenty of tutorials available via Youtube etc and plenty of open source libraries and example codes to get you started, that's how I got started.This is an Automatic Cat or small dog feeder, this Arduino Uno Based Feeder is used in conjunction with an DFRobot RGBLCD Display shield, the display is ideal for this project, it has 5 buttons and we can use these buttons to open/close the feeder lid and set the timer, the timer has a 1 minute setting for de-bugging then a long press increases the minutes faster to get to the allotted period before you want the lid to open.The left button toggles between the lid open/close setting, to use this you would press the right button to o