World's first wireless underwater drone" uses light instead of tether
Build Your Own Underwater ROV From Scratch : 8 Steps (with Pictures) - Instructables
DIY Raspberry Pi Powered Underwater Drone - Open Electronics - Open Electronics
Rov | Hackaday
Homemade Underwater ROV Drone
I've designed a fully 3D printable underwater drone that's finally reliable, fast & maneuverable! Posted here a while back but now I'm thinking of releasing an entire DIY course on how to
Build Your Own Underwater Drone - YouTube
Raspberry Pi Submarine ROV Underwater Drone (video) - Geeky Gadgets
TRENCHROVER 110 ROV UNDERWATER DRONE 4K VIEW FPV LITE KIT DIY MAX DEPT – Twin-Horse Model