Re: Remote triggering an Apple II

["Simon D. Williams" <bb065@chebucto.ns.ca>]

On Fri, 10 Feb 2006, Michael J. Mahon wrote:

> Simon D. Williams wrote:
> > I have a project in mind that requires having one or more A2s triggered
> > via a footswitch and I'm wondering ig the following setup will do the job:
> > 
> > ------                                     -=-
> > Apple | PB0 <--------/switch/-------- POS |   |
> > Game  |                                   |   | 4.5 V Battery
> > Port  | GND ------------------------> NEG |   |
> > ------                                     --- 
> 
> You can do it without the battery, since +5 is available on the
> game connector:
> 
> +5v >----------+
>                 |
>                 o |
>                   |-  Switch
>                 o |
>                 |
> PB0 >----------+
>                 |
>                 /
>                 \  220 ohms
>                 /
>                 \
>                 |
> Gnd >----------+
> 
> If you're triggering more than one Apple, you only need to connect
> to the +5 of one of them, and will only need one 220 ohm resistor.
> In other words, just run the "PB0" and "Gnd" lines to the other
> computers.

Perfect! I'll give this a try over the weekend...

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