Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay

In a message dated 1/27/2005 9:09:40 P.M. Central Standard Time,
bertmantx@... writes:

Any pointers on assessing computer damage?



Did you ALSO have a diode across the coil, with the cathode to + ? ? ?
("spark suppression diode")

If not, THAT is your problem!

This may-WELL be damaging the computer-port bits you are using!


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