Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at ...

Wireless earbuds are notoriously tiny. Want to see inside? [MCH170] did and published a Soundcore Space A40 Teardown. In this ...

People think about NiMH cell chargers probably as much as they think about batteries, unless it’s time to replace the cells ...

Your kid has a toy remote control fire truck. You have an RTL SDR. See where this is going? [Jacob] couldn’t resist tearing into the why and how of the truck’s remote control protocol.

Do you or a loved one suffer from distorted 3D prints? Does your laser cutter produce parallelograms instead of rectangles? If so, you might be suffering from CNC skew miscalibration, and you ...

A few years ago, I bought an 8 mm home movie camera in a second hand store. I did a teardown on it here and pulled out for ...

Even with teachers with names like Kirchhoff and Helmholtz, old Heinrich Hertz himself likely didn’t have the slightest idea ...

Human existence boils down to one brutal fact: however much food you have, it’s enough to last for the rest of your life.

When making a personal website, one will naturally include a personal touch. What could be more personal than creating a font from your own handwriting? That’s what [Chris Smith] has done, ...

With the days of dial-up and pitiful 2G data connections long behind most of us, it would seem tempting to stop caring about ...