[Blue Blade Fish] wanted to build an Arduino-based aquarium controller. He’s detailed the system in (so far) 14 videos and it looks solid. This isn’t just a simple controller, either.

It’s worth noting that the actual USB interface is being done with a stand-alone controller, so the Arduino here is being used purely to drive the lighting effects.

DIY Arduino 4 Button Arcade Game Project 11:59 am August 20, 2018 By Julian Horsey ...

Arduino’s $87 Plug and Make Kit comes with all the parts needed to build seven different IoT devices, including a weather indicator and a game controller.