NanoHat OLED can't change contrast by using [setBrightness] #15
Description
NanoHat OLED can't change contrast by using [setBrightness], I checked all the places might change the reg 0x81 of ssd1306, but it still remained no changes.
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NanoHat OLED can't change contrast by using [setBrightness], I checked all the places might change the reg 0x81 of ssd1306, but it still remained no changes.