Robo-Tank DIY All-In-One Aquarium Controller - Now On The Due - YouTube
LED aquarium lighting with an Arduino based PWM timer -
GitHub - mathompl/AquaLed: Arduino Dimmable PWM DIY LED Light for Marine/Reef/Freshwater Aquarium controller with Nextion LCD support and temperature/cooling fans control (3 sensors/fans)
LED and aquarium controller with TFT LCD touch screen - #60 by mathiu - Exhibition / Gallery - Arduino Forum
Arduino Aquarium Auto Lighting System - Ardumotive Arduino Greek Playground