The original article located here has been removed due to issues with the design. As someone pointed out in the comments, the 7805 regulator regulates voltage by dissipating the rest of the energy as heat, which means that if used for extened periods of time the regulator will get very hot. This doesn’t happen right away, and it will charge your device, which is why I didn’t notice it when I first did the tutorial. Running a ~600mA external hard drive off the system however made the regulator hot to the touch after about 10 minutes. Therefor I wouldn’t suggest anyone using this I’ve left the original technical explenation comment for anyone who wants to check out the technical reasons themselves.
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abi Editor's Choice
SanDisk Sansa Clip+
The Clip+ has a fantastic little form factor; somewhat cheap in build quality but very rugged. The interface is simple and relatively straightforward. The features on the Clip are more or less average, however it supports the alternative Rockbox firmware which provides tons of additional options (gapless playback, Replaygain, playlists, Last.fm scrobbling, etc). Read the full review or go ahead and buy it.
The J3 is a fantastic PMP with a very nice AMOLED screen and tons of features. It sports Cowon's trademark BBE sound enhancements, and offers a customizable user interface with strong support by our user community. You can usually find it at Amazon for the best price - and don't forget to check out our review.
Microsoft Zune HD
Sure, many of us are not big fans of the walled garden, but there are a lot of great things going on with the Zune: sturdy hardware, ultra easy to use user interface, and a media player that is worthy of Editor’s Choice. You can check out our Zune HD review or stop by our Zune forums for the latest info and gossip.
Phonak Audéo PFE
Phonak Audéo PFE offer outstanding clarity and precision; natural, dynamic mids and treble, and decent bass for a single armature in-ear phone. They handle dense, complex music very well. The PFE work well with most acoustic and some electronic music genres, but bassheads might have to look at other alternatives. They're great for sports as well, since they fit very securely. Check out our review.
The Hippo VB (Variable Bass) offers a serious subwoofer for on the go, right in your head. They don’t just deliver generous quantities of punchy, textured bass, but good audio quality over the whole frequency range with decent clarity and exceptional soundstage. Exchangeable bass ports let you customize their sound to your liking. Read our in-depth Hippo VB review.
Soundmagic E10 / E30
The Soundmagic E10 and E30 are basically right in the middle between the Phonak PFE and Hippo VB - not too analytical sounding, not too bass heavy. The E10 provide a bit more bass, the E30 a bit more clarity. Both come with a very fair price tag considering the sound quality they deliver - a great choice for the audio aficionado on a budget. Read our E10 and E30 reviews for more info.