"I looked at the price of standard RC transmitters and didn't want to buy anything." The project log posted on Hackaday.io begins with this single line. The author is an anonymous individual. They ...

Control it with your smartphone and view the underwater scenery through a browser. A sci-fi dream realized with an ESP32 and a 3D printer. The ESP-FLY featured in the previous [Kato RC #29] was a $30 ...