DB-25 led test board - CNCzone.com-The Largest Machinist Community on the net!

DrStein99 · #1 07-20-2008, 12:12 AM

Does anyone know where I can find a simple LED outboard board, card, or unit ? I simply want to trigger LEDS on/off for testing on all the normal output pins.

jalessi · #2 07-20-2008, 01:08 AM

Here are several

http://www.pmdx.com/PMDX-112/index.html

http://www.cnc4pc.com/Parallel_Port_Interface_Card.htm

or you could just get a plain breakout board and add leds with 470 ohm resistors

http://tinyurl.com/599o5u

Jeff...

DrStein99 · #3 07-20-2008, 01:39 AM

After a few hours I finally found something decent. Ebay # 230272650873

Its an enclosed test unit, so I dont have to shuffle around with a bare circuit board all over the place being delicate; with extra stuff on it I dont want. Nothing beats a good reliable diagnostic unit.

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