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 ZIP File Password: 320volt.com
Sumo Robot Project PIC16F877 Control Circuit L293D
Mini sumo robot design is very stylish robot pic16f877 microcontroller used in motor driver for the l293d kullanılmş software crafted with the C language. Mini densede very detailed all of the resources that are shared with a Sumo robot project also robot contest opponents out of the runway:)