esp01 modules tend to have smallish flash chips installed something with a 4meg or bigger flash is better. [wemos d1 mini or d1 mini pro]
i set the esp up as a simple web server. user can...
yes , aligning the font data packing with the ssd1306's memory page layout is more efficient usage of the 14 bit width of the flash memory
while it will still need some clever manipulation to unpack...
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SSD1306 OLED (72x40) I2C display from scratch
Here is a simple code to get started with this 72x40 display.
flotulopex Yesterday, 23:34I also include the SSD1306 command and display's datasheets.
Since I use EXCEL to design characters, here's the sheet you may want...