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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 #49] $60 Robot Muscle — The BLDC Servo Revolution Made with 3D Printers

It is Arduino-based and supports multiple microcontrollers such as AVR, STM32, ESP32, and RP2040. FOC is an algorithm that controls the magnetic field of a BLDC motor in real time. In the past, it was ...
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 ...
Frontiers

Low-cost social robot designs for education: a review

Raspberry Pi single-board computers (SBCs) were the most preferred computing platform, either exclusively or alongside Arduino microcontrollers. Approximately one-fifth of the robots used Arduino as ...