Brandon Lai is trying to build a humanoid robot. To do that, he needs actuators. However, off-the-shelf products are too expensive. So, he decided to make them himself. A hand-wound coil stator. A CNC ...

Stepper motors use a cogged wheel and electromagnets to rotate the wheel one ‘step’ at a time. Each HIGH pulse sent to the A4988 stepper driver energises the coil, attracting the teeth closest to the ...

Why Pi-based prototypes can fall apart in industrial environments, and how the BB-400 fixes every weak point. How onboard UPS, dual-power inputs, deterministic I/O, and industrial-grade networking ...

A robotic arm is one of those classic projects that almost every electronics enthusiast tries at some point. It’s a perfect mix of mechanics, electronics, and hands-on creativity and building one ...

Every robot you’ve ever seen, whether it’s one zipping around a warehouse or one exploring Mars, starts with a physical skeleton. The framework is what shapes and supports the robot, keeping all its ...

You might think that CD players and DVD players have had their run, but as it turns out, they are absolute goldmines for DIY projects. Pop one open and you'll find stepper motors, laser assemblies, ...

FOSDEM 2025 will take place on February 1-2 with over 8000 developers meeting in Brussels to discuss open-source software & hardware projects. The free-to-attend (and participate) “Free and Open ...

As difficult as it is for a human to learn ambidexterity, it’s quite easy to program into a humanoid robot. After all, a robot doesn’t need to overcome years of muscle memory. Giving a one-handed ...