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Tiny4kOLED
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Now, for how to actually make the screen do what you want. This is the implementation of the bitmap function. This takes as its final parameter an address to some data in PROGMEM. When you make a call with a literal (e.g. oled.bitmap(..., 0x08);) you're telling it that the address to read the bitmap data from is in 0x08 PROGMEM3 .
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