Aren't they the same as the optos in modern pinball machines?
Specifically the ones with optical flipper switches.
On Tue, 9 Feb 1999, Chris Loggans wrote:
>
> I recently acquired a Tempest spinner minus the small board with the optos
> on it. Does anyone know what parts I would need to hack together a
> replacement? Would this even be possible?
>
> Thanks,
> -Chris
>
