Draw 8×8 bit text with Ultra Violet Leds

Draw 8x8 bit text with Ultra Violet Leds
Introducing a Hacked S2 Parallax Propeller robotic turtle. Gareth over at Parallax forum built this UV LED drawing Parallax robot This is not your traditional “Pencil on Paper” drawing turtle. This one uses 8 Ultra Violet Leds beaming in this case an the propeller ROM based characters are extracted and fired onto a Phosphorescent vinyl sheet. The programming routine ...

Arduino Reactive LED Table

Arduino Reactive LED Table
This Arduino Reactive LED Table was made by Yohash from Japan. It uses 818 blue LEDs, 160 IR emitters, and 190 IR receivers. All organized into 190 “nodes” and powered by two Arduino micro-controllers. He built the coffee table and sized the inner cabinet to accommodate these pegboard reactive surfaces. He built the coffee table and ...