Using a Mega 2560 Rev3. The ILI9486 screen I acquired from AliExpress — a shield — has no screen-off function. I need one since this will control an audio preamplifier and I want to have a standby function where the screen is dark but the IR remote and tap power button will both activate the preamp. …

No backlight LED control? What about setting background color to black?

Hi. That does not shut off the screen; it merely blackens the LCD and leaves the backlight still on. I’m looking for something that lets me keep power to the micro-controller but not to the screen. I tried writing each of the control pins low but to no avail. I ordered a few alternative screens s…

I have an ILI9486 shield that I identified the current limiting resistor for the backlight on it. I replaced that resistor with a higher value to reduce the amount of current used by the backlight; I was able to cut it in half w/o appreciably dimming the display. You could do something similar; rem…

I have a Mega 2560 Rev3 so I have loads of open pins. Does it need to be an analog pin?

No. I suggested A5 because the shield had a pin there for it that wasn't being used.

Multiple accounts. Multiple topics, same subject. [image] ILI9488 v1.1 red board and Arduino Due — white screen Displays I have a problem because I am using the ILI9488 (4.0 inch display v1.1). I am using the ILI9488 library from GitHub — GitHub - jaretburkett/ILI9488:…

Tft 3.5 screen for Mega 2560 Rev3

Other Hardware Displays

xfpd May 5, 2025, 4:09am 7

Multiple accounts.

Multiple topics, same subject.

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Tft 3.5 screen for Mega 2560 Rev3

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