This Box Sounds An Alarm When You Poop

The Sandland restroom is in danger! Or it could be, so I made an alert to let people know when it's occupied. That way no accidents happen!
Some of the parts I used for this project include:
R/C module: amzn.to/3N03yQK
Timer: amzn.to/3zpL1ud
Strobe light: amzn.to/3zAAXym
Audio module: amzn.to/3TLeVzH
Relays: amzn.to/3U9iaS3
Reversing circuit: amzn.to/47FalJj
Solar battery bank: amzn.to/4gXQlWp
And of course I got a lot of random parts from www.ax-man.com/
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