DIY: Add USB Ports To Your Alarm Clock
Every night I fall asleep listening to my iPod, and every morning I wake up with it dead as a door nail. This cleaver hack actually came to me via my wife. She said “You put USB ports in everything else, why not the alarm clock”. So I did. As you can see from an old episode of The Lab With Leo some time ago I demonstrated exactly how you go about adding some powered USB ports to your alarm clock to keep everything from your cell phone to iPod fully charged.
Here’s what your gonna need.
- Alarm Clock with an internal power supply of 9–12V DC
- PCB Mounted USB Port
- +5V Fixed Voltage Regulator (7805)
- Multimeter
First thing you want to do is open up your alarm clock and make sure that the internal power supply is giving out 9–12V DC using your multimeter.
Once we have satisfied those requirements, your going to want to find a suitable location to house the usb port, something that will not interfere with the internal componets of the alarm clock once you put it back together
With the USB port mounted you are going to want to wire the USB port and the 7805 as per the instructions that come with the voltage regulator. Make sure to leave enough slack with regards to wiring if you ever need to open the alarm clock back up again.
Voila, power to your usb device via your alarm clock.
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