There were some cool light painting effects in the last post, but to truly do any sort of “presentable” light painting, a few things had to change.
To begin with, with the small canvas that I was working with (approximately 2″ x 10″), the light source needed to be smaller. This was accomplished by using a 2 color LED by itself instead of the flashlight. As an added bonus, being two colors allowed it to switch colors mid-stroke if needed. I don’t have this hooked up to switch yet, but it could be a neat effect.
The second thing that would need to change was