OLED dies

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OLED dies

Post by WU0V » Mon Sep 10, 2018 6:26 pm

In the past 6 months or so I’ve had two of the .96” yellow/blue OLED displays go dead. No apparent reason, they’re perking along just fine and then they’re blank and cannot be revived by any method I can find on Google. The hotspot PS is plugged in to a UPS/line filter of a reputable brand and nothing else on that circuit has problems, so I assume it’s not a power glitch. My PS provides all the amps the hotspot can drink. Jumbospot on Pi ZW, up 24/7.
Have others had hotspot OLEDs fail? Maybe its internal components have just had a hiccup and need a reset, and if so is there a way to revive them?
I switched to my Nextion screen and it’s fine. I realize the Nextion is on a different port so I can’t rule out a port failure for the OLED but I think it’s unlikely.

Lee, WU0V. 59 years a ham, still having fun

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Re: OLED dies

Post by VK7HSE » Wed Sep 12, 2018 5:27 pm

The oled screens don't like running on 5v they prefer 3.3v (although I'd say that you already know this)

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