An unusual path to a power-handling DAC by merging an upside-down LM337 regulator with a PWM circuit to make a 20-V, 1-A current Continue Reading ...

This universal camera battery charger guide contains a range of chargers that will ensure you're never caught without power again. If you like to travel, and you've had enough of carrying loads of ...

A car battery charger will make sure you can start your ... Heavy equipment uses 24-volt batteries, and cars may even go to 48-volt electrical systems, so if you have a more serious home shop ...

In this project, we will build a remote-controlled Arduino Air-Boat that can be controlled wirelessly using the 433 MHz RF… Be a part of our ever growing community. Semicon Media is a unique ...

But they’re also forgivable. With a smart 12V trickle charger and maintainer, you can revive your car battery in a relatively short amount of time. And this one from GPED is discounted to $20 on ...

The chart is colored differently based on several factors, but what does ‘Slow Charger’ mean? The Battery Level chart is annotated in various ways depending on the current state of the device ...

However, most of us can't stay tethered to a wall outlet. Thankfully, you don't have to. The battery market is packed with options that can boost your phone's battery life no matter where you are.

Not all cars are meant to be driven every day. If you own a special vehicle, such as a classic or sports car, you probably keep it tucked away somewhere until you're in the mood to take it for a spin.

If your iPhone battery gets low, it's great to have a backup. Check out the best power banks, as tested by our CNET tech experts. Executive Editor David Carnoy has been a leading member of CNET's ...