This USB interface module is for a 128×64 4-bit grayscale OLED display. Everything is powered from USB and on board is a DC/DC converter for making the necessary voltages for the OLED display.
This USB interface module is for a 128×64 4-bit grayscale OLED display. Everything is powered from USB and on board is a DC/DC converter for making the necessary voltages for the OLED display.