Engineers create 3D-printed robotic fish that swim, play and recharge themselves through automated charging systems. Here's all you need to know

Engineers have developed robotic fish that mimic real aquatic life, offering an aquarium experience without the upkeep. These miniature submarines, powered by Arduino and guided by an overhead camera ...
Hackaday

DIY SI5351 Radio Tunes In SW, MW, And More

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
Circuit Digest

Autonomous Robotic Fish Combines Computer Vision and Wireless Charging

A YouTube channel named CPSDrone has developed a fully autonomous robotic fish capable of operating without direct human ...