Mobile MP3 Player PC


Posted on Jul 22, 2012

The CPU is an AMD K5 running 75 MHz. Theres 16 meg ram, and the operating system is Linux (Red Hat 5.2). MPG123 handles the MP3 decoding, and I wrote a control program in Perl. I built the remote control in an old Blaupunkt CD-changer remote case which I emptied completely. It now has a backlit 40x2 LCD and a PIC 16F84 microcontroller. It communicates serially at 2400 baud and also turns the players power supply on and off. It has a few inputs and can sense if the car stereo is on.


Mobile MP3 Player PC
Click here to download the full size of the above Circuit.

This player has survived winter in central Oregon and summer in Phoenix. Before I built the remote Id have to manually turn the power off, and sometimes Id forget. I could still start the car after running 15 hours on the battery, and it a




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Whistle Responder
LF or HF field strength meter
Low-frequency-converter
Subcarrier Adapter For Fm Tuners Circuit
24 Second Shot Clock Circuit
Astable Multivibrator Using 741 Op-Amp
low volt led flasher schematics
45 Years Anniversary of Walter Bruchs PAL Color Television
6 Zone Alarm System
Measuring Impedance with Circuit Maker
USB-Powered PIC Programmer
Rechargeable ago memory circuit
555 Simple circuit diagram of the timing of time



Top