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[Kato RC #48] The Day I Built a 108 km/h Rocket Drone for $155 — The ESP-BLAST and ESP32 Revolution

Prologue — Why an ESP32 Drone Now? March 2026. A video posted by DIY engineer "Max Imagination" on YouTube shook the hobbyist world. The title was "Build The Smallest ESP32 Brushless Rocket Drone | ...
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[Kato RC Publishing Article #35] 20,000 Yen, KiCAD, and a Single Soldering Iron—The Era of Open-Source RC Cars and Drones Built from Scratch by Individuals

Don't buy an RC car. Or, to be precise, "don't buy a mass-produced one." The year is 2026. Drawing circuit diagrams in KiCAD, ordering PCBs from PCBGOGO, flashing firmware to an ESP32, and printing a ...
Hackaday

Building A Wireless Fingerprint Authorization Device

Once upon a time, there was a bit of a fad for fingerprint authentication in laptops and desktop computers. It has long since ...
Hackaday

optical encoder

Building a 3D motor printed motor is one thing, but creating a completely custom servo motor with encoder requires some significant engineering. In the video after the break [365 Robots] takes us ...
GitHub

lily-osp/PID_simple_controll

This project provides complete PID controller implementations for BLDC motors, supporting three distinct microcontroller platforms. Each implementation is optimized for specific use cases: from ...
GitHub

Speeduino ECU Display using ESP32-C3 and ILI9488 3.5" TFT

This project creates a digital dashboard display for Speeduino ECU using ESP32-C3 microcontroller and a 3.5 inch TFT LCD display with ILI9488 driver. The display shows real-time engine data from the ...