If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, snowmobile, boat or even a wall socket or a random AAA remote control battery ...

The size of a capacitor affects how much charge it can store (its capacitance), its voltage rating, and its physical ...

Your power banks's capacity won’t neatly map onto your charging needs, but finding the right size doesn’t have to be ...

Mellow Labs] wanted to grab a multimeter that could do Bluetooth. Those are cheap and plentiful, but the Bluetooth software ...

A new graphene supercapacitor stores battery-level energy and recharges instantly, redefining fast power storage. Engineers ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

This scalable test system was developed in collaboration with EA Elektro-Automatik for testing the charging communication ...

While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

I've worked hard over the past few years to move away from disposable alkaline batteries and replace them with rechargeable equivalents. After all, there are some great brands of rechargeable AAA, AA, ...

The VX2 Pro is a two-slot battery charger that can take a wide variety of cell types and sizes. You can pop in AA, AAA, C, D, 18650, 21700, and more, and the unit will automatically detect the battery ...

Full study: “ A smart cup for wireless, biofuel-powered, sweat-based vitamin C sensing .” Co-authors of the study include Muhammad Inam Khan*, Ryan Burns*, Akshit Agarwal, Lu Yin, Jongmin Moon, Bumsik ...