Build Your Own Underwater ROV From Scratch : 8 Steps (with Pictures) - Instructables
Amazon.com : gladius Mini Underwater Drone, 4K UHD Underwater Camera for Real Time Viewing, Remote Controller and APP Remote Control, Dive to 330ft, Live Stream, Adjustable Tilt-Lock, Fish Finder, ROV : Electronics
DIY Underwater Drones : underwater drone
Blue Robotics - Underwater ROVs, Thrusters, Sonars, and Cameras
So I've designed a fully 3D printable underwater drone. Electronics feature 25A speed controllers, Raspberry Pi and multiple sensors. Thinking of releasing a DIY course on how to make it yourself. If