Electronics Projects, Computer VU Meter Circuit with LPT Port LED Control article
"analog circuits projects, led projects, " tagged with
The computer’s LPT port used in the simple led circuit (only consists of led and resistors) and control program can be a variety of effects or with vu meter WndLpt program contains plug-ins with Winamp 5 in effects, WMP, Windows Media Player, supports Aimp2 programs.
LPT Port VU Meter
WndLpt manages 12 or 8 LPT port pins in strict accordance with the script or music visualization.
• Automatic LPT pins direction by Script
• Manual direction by mouse or keyboard
• Music Visualization with 1..12 LEDs (StereoMixer, Line in, Microphone)
• Visualization plugin for players Winamp, WMP, AIMP2
• Response to all LPT inputs, outputs (or pins)
• Preview LEDs supported
Source: http://wndlpt.sourceforge.net/ Alternatif link: computer-vu-meter-circuit-with-lpt-port-led-control.RAR alternative link2 alternative link2