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Driver IC: SSD1306
Size: 0.91 "OLED
Resolution: 128 x 32
Font color: white, blue
Voltage: DC 3.3-5v
PIN interface: SPI
OLED display, no backlight, self-illumination, display performance is better than traditional LCD display, also reduces consumption.
SPI pin definition:
GND: power ground
VCC: power supply
CLK: clock line
MOSI: data cables
RES: reset line
DC: data/command
CS: chip selection (directly grounded when not in use)
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