Alsipian Reef Controller
The Ultimate DIY for your reef
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This project was started in August of 2013 as a simple LED sunrise/sunset controller and has been evolveing to include so much more. Now, instead of one large board, there are four to control lighting, dosing, outlets, and a shield to tie them all together. The purpose of this project is to create a simple system that DIY'ers can manipulate to perform in any scenario they can throw at it. Modularity allows the system to be fairly cheap especially for those who don't need the whole system. Lastly, the user interface is designed to be simple and easy to read while still providing powerful functionality.

Turns out it's free to write the software, but hardware costs money. All donations go 100% to development.