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help for a project

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Comments

  • #32
    mrhappy42
    Registered Users, Registered Users 2 Posts: 384 ✭✭mrhappy42


    pay 45 dollars...connect some led's and write some dirt quick VB code...finished.

    http://www.winfordeng.com/products/crd155b.php

    Or just take your z80 out of the cupboard, dust it down and connect some led's...


  • #33
    finnpark
    Closed Accounts Posts: 1,541 ✭✭✭finnpark


    All very good ideas!! :) But he is a beginner I think. I like the bargraph idea allthough it is a bit crude I think. But it is the simplest idea I heard yet. No code no expense and simple to do. :D

    The other idea of using an interface card and Visual Basic seems over the top. Plus didn't he say he wanted it outside also? A computer may be out of the question. If you were going to use a computer I would think the serial/parallel port would be simpler and cheaper. :)


  • #34
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 94,887 Mod ✭✭✭✭Capt'n Midnight


    simpliest way would be a program to make Numlock / Scroll lock / Caps Lock flash on/off KLocks (6KB)
    Batch file to continuously flash all Lock indicator lights:-

    @echo off
    :: Turn all lights on
    klocks +n +c +s
    :top
    ping 127.0.0.1 -n 2 >nul
    :: Toggle all lights
    klocks !n !c !s
    goto :top


  • #35
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 94,887 Mod ✭✭✭✭Capt'n Midnight


    http://freshmeat.net/projects/ieee1284java/

    About:
    ieee1284java is a Java library for accessing the parallel port using the libieee1284 C library and the Java Native Interface.


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