It uses a ST7565 driver chip, which manages the display. Driver IC : ST7565. 2.14" 128x64 LCD Display. Resolution : 128x64. Interface Mode : SPI interface. insert u8g2.setContrast(70);. 1x LCD display module.
Large LCD Graphics Display 1.8" ST7567 2.4" ST7565 128x64 SPI 3.3V - Arduino
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