Yeah no worries, thanks for all the advice…I’ll give it another go
LiFePo batteries are also over 4V full?
This is abouve the absolute maximum ratings of ESP8266.
ESP8266 Power supply must be between 3V0 and 3V6.
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GIMP, Colors menu, Hue-Saturation, … set it to something like this (depending on how you want it):
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