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 How to connect 12 LEDs to the computer's parallel port (LPT)

At first, you need 1 led.

 Find LPT port on your motherboard. Look for pin's labels.

 

Check numbers. 

Join L! to pin " and 1#.

 

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^ Circuit diagram or 12 LEDs

$ou can directly connect up to 1" L!s to the LPT port. %t's &erysimple.

ome people prefer to connect only # L!s. %t's not a problem. The(ndLpt pro)ram can mana)e any *uantity of L!s from 1 to 1".

 %t's time to make the follo+in) circuit. $ou can see a face of

motherboard's LPT port or !"-F Face or !"-/ ack side0 on it.

click to enlar)e

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 The same circuit is made other+ise.

 

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^ LEDs panel e!ample

%t is a )ood day to mount the L!s to the panel.

$ou can take any dark plastic plate and drill 1" holes alon) a circle. 

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 $ou ha&e )ot the follo+in) &ie+.

 

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^ Photo session

 

Panel +ith 1" L!s, front side.

 

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 ack side of this panel.

 

/apcircuit to the panel.

 

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2o+ $ou can fi3 the led.

 

!"-/ Connector 

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 !P"-C case for !"-/

 

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