A Lighting Question
Posted 07 April 2004 - 06:44 PM
i want to have one set of lights for hdd activity, one for network activity, and a third set for when both are active... possible?
can anyone point me in the right direction?
thanks in advance
Posted 08 April 2004 - 06:20 AM
something like 74LS00 or 74LS01 (NAND Gates)
74LS08 or 74LS09 (AND Gates)
Excellent Logic gate basics page
an AND gate will only give an output when it gets inputs on BOTH it's inputs
a NAND gare will only give an output when BOTH its inputs are off
so, wire your HDD LED and Network LED to the inputs, and wire another LED to the outputs!
Posted 08 April 2004 - 02:35 PM
Posted 08 April 2004 - 05:54 PM
(A & B are inputs, Y is output)
A B Y
0 0 0
0 1 0
1 0 0
1 1 1
NAND is Opposite. N= NOT (Invert)
Oh and btw, school IS that much fun since im in the engineering program at mine
Edited by Himura, 08 April 2004 - 05:55 PM.
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