Upgrade your nightstand and morning routing with the Mirrored Digital Alarm Clock With Dual USB Ports. Right now, you can get it for 33% off $32 at just $21.99.

The digital clock display is clear and easy to read, ensuring you can always keep track of the time. The USB Cube MP3 Alarm Clock also includes a time power on/off function, which can be very handy.

Luckily, thanks to the magic of 21st century technology, plenty of the beset digital alarm clocks now come with a USB port attached, opening up device-charging space.

This is the backup battery(CR2032) and its holder. Easily available in any electronic store. Step 2. Ok, let’s get started. First of all, connect the DS1307 circuit as below: So, it is not necessary ...

So I have had this timex indiglo alarm clock for 4 years. I use it every day. It has a nice size digital face, and a backlight you can turn on when needed. It also has a very loud alarm, and I use ...

Similarly, push the key on another clock, and you'll only get a momentary glance at an animated hour hand. In order to keep track of time, visitors have to continually interact with the clocks.

Digital clock being powered by a battery made out of a piece of paper. Once activated, a single battery cell can provide an open circuit potential of 1.2 V and a peak power density of 150 µW/cm 2 ...