To add our USB power port, we'll steal some DC voltage from the clock. We are going to run power through a LM 7805 voltage regulator to take it down to 5 volts. Adding a 220uF capacitor between the ...

To save space next to your bed, an alarm clock with built-in charging ports is a great multitasking solution. Not only do the best alarm clocks with USB ports charge one or more devices on your ...

Here’s another crazy combo USB gadget from our friends at Brando, the USB Hub Alarm Clock. The USB Hub Alarm clock has 7 USB ports, and a built-in digital alarm clock with a thermometer. This ...

Here’s another fun USB gadget, the USB Cube MP3 Alarm Clock. The USB Cube MP3 Alarm Clock comes with 1GB of storage and also has an SD / MMC card slot so you can add some more storage. It has a ...

You know how sometimes you dream up a gadget and then you discover that someone has actually built it? A few weeks ago we were chatting with our pal Kiho (of the famed TKNY gadgets store here in New ...

Many of us use our phones as alarm clocks, waking up to the incessant ringing of a select few ringtones. For that reason, buying a standalone alarm clock may seem a bit outdated. Despite what some may ...

This is convergence at its finest. The aquarium pump is powered by USB, which also handles the power requirement for the multifunction clock and thermometer. Then several LED lights can either ...

This article is a part of CNN Underscored’s Guide to Sleep, a weeklong focus on everything you need to sleep better. We’ll be featuring new products, tips and exclusive deals all week, so check in ...

Experiencing a loud alarm as the first part of your day can be a jarring way to start. This is why sunrise-simulating alarm clocks are so beneficial – they mimic the gentle rise of the sun by ...

Engadget has a nifty guide for adding 5 volts of USB power to your alarm clock. Once you've completed your USB-ported alarm clock, you can power all of your favorite low-consumption USB devices, like ...