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6 useful parts you can salvage from a broken old printer

You've likely had a printer that didn't work and needed to be replaced or disposed of. However, it's not a big pile of plastic and metal heading straight for a dump. If you are a resourceful maker, an ...
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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 ...
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[Kato RC #34] Chess pieces that move on their own—The open-source "MiniBots" project is changing the common sense of swarm robotics

On a chessboard, a pawn moves forward on its own. A knight jumps in an L-shape. A rook slides in a straight line. All 32 pieces are independent robots. Moreover, it is open-source and anyone can build ...
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 ...
Hackaday

Putting Some Zig In A Linux-Based 3D Printer

Having Linux on so many devices is both a blessing and a curse. Sure, it is great that you can hack on things and modify them ...