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 | ...

30Nm of torque for $60. Open source is democratizing robot "joints". Introduction — I wanted "cheap and strong joints" January 2023. A project was posted on Hackaday.io. The title was "3D printed BLDC ...

Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

Many of us electronics hacker types tend to have at least the same common equipment on our benches, namely a multimeter, an oscilloscope, some sort of adjustable power supply, and maybe a logic ...