Description of OLED Display White SPI 128x64 1.54 inch      1.Size:1.54 inch    2.Resolution:128*64    3.Light Color:White    4.Driving IC:SSD1309; Compatible with SSD1306    5.Voltage:3.3V-5V   SPI Interface Definition:    1.GND:Power ground    2.VCC:Power positive    3.SCL:Clock wire    4.SDA:Data wire    5.RES:Reset wire    6.DC:Data/command    7.CS:Chip selection (If not used,it can be directly connect with ground)