How to know if your 12V car battery has a healthy resting voltage

An unavoidable reality of owning a car is dealing with a 12V battery. What voltage should a healthy, fully charged 12V ...

How I squeeze more power from my portable solar panels: 11 ways to get up to 30% more

After years of testing portable solar panels, I've found that small adjustments to my setup can yield massive efficiency ...

I stopped guessing which AA batteries are dead - this charging station keeps them in check for me

I've been a fan of Olight flashlights for many years. Now I'm a fan of its new pro-grade battery charger. Here's why.
Hackaday

[Kerry Wong] Finds SMD Test Clips

One of the many problems you run into when you work with SMD parts is trying to probe the little tiny pins. While we usually ...
IEEE

Stator Slot Design Guidelines for Concentrated Windings with Direct Liquid Cooling Channels for Electrified Aviation

Abstract: High power and torque densities are essential to achieve weight reduction in electric propulsion systems. For the future integration of highly utilised electric machines into aircraft ...
CNET on MSN

I found my home's biggest energy vampire by testing 18 devices with a $12 meter

I Found My Home's Biggest Energy Vampire by Testing 18 Devices With a $12 Meter ...