The top and bottom pushbuttons jump to the next or previous track.Most of the developmentīoard circuitry is not necessary for playback. Which was a spare one laying in my junk drawer. About half of the box is the power supply, The MP3 decoder chip and DAC are really quiteĮasy to use and they sound great. I'll probably buy a 20 gig drive for this thing someday soon. I used a spare 1.2 gig hard drive and loadedĭesign can easily handle any modern IDE drive. Vent holesĪllow the power supply and hard drive to keep cool. Is on the top, and a power supply board is located on the bottom. The hard drive is in the middle, theĨ051 development board with IDE interface, MP3 decoder, and audio output Only runs on 3 volts, so there are a couple logic level conversion issues. Hard drive and pumps the bitstream into the MP3 decoder chip. One of my 8051 development boards reads the Provides the audio output, though many other audio DAC chips will work. Hard work of turning a MP3 bitstream into the decoded audio. It's actually not all that difficult to make your own player.
I got tired (impatient) of waiting, so I rolled my own. Only one storage will do, a standard hard disk drive. Shake-proof, I want long play times, very long! Playing a CDR isĪn improvement, but it's only 650 megs, still not enough. The Older MP3 Player Design MP3 Player Pages These old pages are still available, mostly for Like to buy one! It's better than this old design is almostĮvery way.
Is much easier to use, costs less, and is actually available if you'd
The new design has more features, is flash upgradable, The design shown on this page is obsolete. This new design has replaced the old one.
0 kommentar(er)
