Pictures of the current prototype
Please click for a larger image. I'll update this page with more screen shots and recent photos as they become available. Nice loading and display graphics from LightBox. You can see more photos over at flickr
The following is a record of the battery voltage while playing for approx 21 hours. Using this information we are able to provide a more accurate estimation remaining battery power.
Here are some photos of the unpopulated LCD adaptors.These are revision C boards which have some (fixable) errors. The incorrect footprint for the color LCD has been fixed in the Revision D versions.
Heres what the 0.5 firmware lookslike on the Nokia Display (well kind of, it now reads "ButterflyMP3_sf_net V0.5" rather than "by Nick Lott"). Cheers Rich for some nice graphics work and the ID3 code.
Thought I'd add some photos of the mods I've been making to my prototype boards. You can see more photos over at flickr
These are the pictures of the ATA USB 2.0 (high speed) version. A few bugs need to be ironed out in the PCB design but so far so good. Olimex was unavailable when I wanted these done so regretably I had to use a different manufacturer. The boards are okay, but not the high quality and value of Olimex boards.
The latest case design is in. The Mk3 is a slick light weight aluminium design featuring the Nokia 3310 LCD. Slightly thicker and shorter than the Mk2 but about half the weight makes it a pleasure to carry. I've included the design sketches for you budding machinists out there. WARNING: any measurements given are subject to a large amount of fiddling!
Here's the latest case prototype, still a work in progress at the moement so it has gone through the final polishing and will probably change in the next week. Thanks to Manu Pouajen-Blakiston for whipping this up for me.
New Vanilla version photos.. no more hot glue and liION polymer batteries. Note the board in these photos is not the Rev B or C but my initial prototype, which has had a few mods as time has gone on ;)
The green battery pack pictured is a 3.6V NimH battery pack which I just happen to have a number of lying about and will likely be used in the final design. Yes that is hot glue used to attatch the NOKIA LCD to the butterfly (not the most desirable method but if you know a better way please let me know).
My initial prototype with the Nokia screen.