Coin Operated Fish Feeder

DESCRIPTION

Hi, my name is LJ Boone, and I am an Electrical Engineering major at the Rochester Institute of Technology in Rochester, NY, USA. In my hometown, we have a non-profit that maintains over 3000 gallons of saltwater aquariums and teaches aquarium science courses at the high school I attended. I am designing a system to allow for remote feeding of the fish via a coin acceptor at the viewing windows for the tanks.


TECHNICAL DETAILS

The main distribution board in the coin acceptor assembly will be populated with an atmega 328-pu microcontoller that will control the operation of the device feeder, interface with the coin acceptor, a serial display, and a neopixel bar. All of this will be enclosed in a custom fabricated box shown below. 

Screen Shot 2019-02-14 at 10.12.06 PM.pngScreen Shot 2019-02-14 at 10.10.13 PM.png

Above are the designs of the coin acceptor housing with the placement of the board and components.

main board.png

This is an image of the main distribution board that will be inside of the coin acceptor housing.

feeder board.png

This board will be placed in the coin acceptor to power the feeder, feed reset switch, and refill indicator LED. 

IMG_7218.jpg

Here is a picture of the breadboarded prototype. The display is running and the Green neopixel bar indicates that a feed is occurring.


Words to PCBWay

Thank you so much for helping non-profits and hopefully helping us!


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Feb 15,2019
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