[Coco] Spectrum Light Pen (was: Diecom light gun adapter)

[Daniel Campos]

Here in Brazil, appears both Codimex and Prológica made some of those Light
Pens for sale, but wasn't a greatly sold product. Today is difficult to
find one.
Here one of these pens being used on a CP-400:

https://www.youtube.com/watch?v=Uenh1m9jYQo

Daniel


2016-06-16 10:55 GMT-03:00 Al Hartman <alhartman6 at verizon.net>:

> When I worked at Zebra Systems, we used to make the Spectrum Light Pens
> for Bob Rosen which were simply a photo detector mounted into a magic
> marker body.
>
> I can't find anything on Rainbow with a programming example. So I can't
> say if the pen was attached to a button or the x/y axis for reading.
>
> It was amazingly simple, and I must have built over 100 of them.
>
> -[ Al ]-
>