Re: port problem

Hi Lee,

Seems you found a good diagram for a real relay. About the same applies
in the SS relay example. Notice the Signature!

Good luck Terry!

Alan

Lee Studley wrote:

>
> Hi Alan and Terry,
>
> Tim Goldstein's weblink at:
> http://206.19.206.56/parallel.htm
>
> Shows the connections at the bottom in a picture.
> The goal is to not draw hardly any current from the
> parallel port like you said(only several Ma max.)
> You can up the voltage to the relay to a 12v or 15v
> supply if the relay needs more volatge across the coil.
> To be safe, use 2 1.5v batteries as the "control pin"
> supply till you get it working, then connect it to the
> parallel port after its verified. Use the values of
> resistors in the diagram to limit currents to safe values
> or you will damage the port for certain.
>
> -Lee