UPDATE December 24th, 2025 I have made a change to the header of the motor in order to make the connection to the sphere stronger and long term stable. However, alignment of the rotor now is done by ...

I’ve been an EagleCAD user for 20 years now—more than half the product’s 36-year lifespan. I’ve used EagleCAD as a hobbyist, a maker, a design-for-manufacturing (DFM) blogger, and a small robot ...

I2C is a wonderful interface. With four wires and only two GPIOs, you can connect a whole lot of sensors and devices – in parallel, at that! You will see I2C used basically everywhere, in every phone, ...

[Helentronica] has been using Altium Designer to lay out PC boards since he was a student. Now as a freelancer, he felt like he didn’t quite know all that he wanted to know. Keep in mind he’d done ...