Most spec sheets I read online about these displays require 2K to 20K potentiometers but 1K might be fine if you can see black boxes. Did you see black boxes on the display if you turn the potentiometer?
Most spec sheets I read online about these displays require 2K to 20K potentiometers but 1K might be fine if you can see black boxes. Did you see black boxes on the display if you turn the potentiometer?