devguy

Member Since: September 18, 2013

Country: United States

  • I was able to get this work only after using 5v, and lowering the contrast by int from 55 to 45 to remove the “black box” flickering behind the screen drawings. When I power with 3.3v, nothing - just the LED and dimming etc of the screen. I’d love to use 3.3v (and it seems based on responses here) that it should run only on 3.3v. Any ideas anyone?