This system is curently not working any more because it was having hardware problems and i am working on a brand new version. Same idea but newer hardware.
Headup display consists of:
1 2x20 characters VFD display
1 PIC16C84 to control the display and process the keyboard.
1 RS232 interface to the computer system
CPU Cyrix 6x86 166+ (Pentium 1 equ) running as 133+ to save power cunsumption and heat.
Soundbaster AWE64 soundcard
Trident VGA card.
MAXTOR 8GB Harddisk for OS and mp3 files.
OS: Linux Slackware, 2.035 kernel
This system, in this configuration, has an average load of 60% when playing mp3 files.