• @NebbishHacker & @Gordon, thank you both so much. Removing g.clear() did the job and I will check for the brightness in the settings-file.

    With the buffer I recognized that the normal buf.setColor(r,g,b) does not work and I have to use a color palette (Array) of 2/4/16 elements. buf.setColor(1) is then the index inside the array? That works for me with indexes not larger 3 (4-element-array).


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