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)

Shenzhen Ruize Technology Co., Ltd., is a well-known electronic component company.

Over these years, adhering to the "honesty, quality first" principle, with excellent product quality, enthusiastic service, and wide range of products, we gained a high degree of trust from our customers. 
No matter you are domestic or foreign businessmen, we are always ready to make you satisfied.

We sincerely welcome your business negotiations, share mutual benefit and common development.