Arduino Board as HP-IL device?

[everettr]

(06-28-2014 10:44 AM)HP-Collection Wrote:  For Arduino there are a lot of cool extensions. If someone implements a multicolour Arduino Display like this as a primary display on my HP-41CL I would be very happy.

OLED displays have many nice properties, but the one in your link only has an active area of 33.6 mm by 27 mm. Aging eyes would probably need some extra assistance. :-)