Avoid Burnout...

Last updated February 08, 2026

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of your SH1107 Featherwing OLED

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of your SH1107 Featherwing OLED

I built a temperature tracker which included an OLED Featherwing to display the temperatures. Very simple - just 4 lines of white text on a black background. Today I noticed that after just a few days I was starting to see dimming of some pixels that were constantly on. Looking over the product page I noticed a caution that OLEDs will start to dim if left on. Oops...

TFT's use backlight LEDs, and typically there is a backlight pin which could be used to dim or even turn off. I learned, however, that OLEDs are individual organic LEDs, so there is no backlight pin.

This page (Avoid Burnout...) was last updated on February 08, 2026.