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[Kato RC Publishing Article #14] The Era of Peering into the Ocean for Just 10,000 Yen ...

October 2025. A maker uploaded a video to YouTube. The title was "Build an ESP32 RC Submarine with FPV Camera". Just $117. An ESP32 microcontroller and a 3D printer. An acrylic pipe and a syringe. By ...
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[Kato RC #15] The Day the Smartphone Became a Transmitter — How a $30 ESP32 RC Car Kills ...

Have you ever bought a $700 transmitter? A Futaba 10PX. A SANWA M17. The moment you touch it, you think, 'This is it.' The precision of the sticks, the response, the way it feels in your hands. It is ...