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Some Questions on RepRapDiscount Full Graphic Smart Controller

Posted by bkarpuz 
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bkarpuz
Some Questions on RepRapDiscount Full Graphic Smart Controller
June 14, 2023 05:09PM


  1. What does the potasiometer on the bottom-left is doing?
  2. Which pin does the Stop button connects when Mega is connected with RAMPS 1.4 and LCD?
  3. How can I dim the back light of the LCD?

Edited 2 time(s). Last edit at 06/14/2023 05:10PM by bkarpuz.
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Dust
Re: Some Questions on RepRapDiscount Full Graphic Smart Controller
June 14, 2023 08:35PM
1) The contrast knob
2) 41
3) that is not a supported feature of that display. The backlight is directly connected to 5v and gnd on Exp1


See
[reprap.org]

There should be a 0 ohm resistor in the backlight power lines that can be replaced to lower the brightness

Edited 1 time(s). Last edit at 06/14/2023 08:49PM by Dust.
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bkarpuz
Re: Some Questions on RepRapDiscount Full Graphic Smart Controller
June 15, 2023 10:03AM
Thank you once again Dust.

Do you think my contrast adjustment is not working?
Please see the video below.
[youtu.be]

Edited 1 time(s). Last edit at 06/15/2023 10:03AM by bkarpuz.
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