I'm a rather lazy sort and have found that even though I'm generally happy with my SlimX CD/MP3 player, 100 or so songs per CD is not enough to provide the kind of variety I'd like. (And I'm too lazy to be changing the CD very often. Sad, I know.) I've looked at several of the players that use...

I happened upon a great deal on some rechargeable batteries that I'm trying to assemble into a battery pack for my portable headphone amp. My current plan is to put 16 batteries in the pack. (I know this will make it somewhat less than truly portable, but I'm okay with that for this...

I happened upon a great deal on some rechargeable batteries that I'm trying to assemble into a battery pack for my portable headphone amp. My current plan is to put 16 batteries in the pack. With the enclosure I have in mind they will arrange nicely into two groups of eight. (This will obviously...