Winstar WEO012864B is a 1.54 inch SPI OLED Display. This OLED 128x64 module is built-in SSD1305Z controller IC, it communicates via 6800, 8080, SPI and I2C interface. These 1.54 OLED Graphic COG modules are ultra thin, lightweight and low power consumption which is great for handheld instruments, meters, smart grid, wearable device, IoT, etc. One of the significant advantages of COG construction is the FPC usually can be bendable comparing to TAB OLED since the FPC is flexible and there is no chip on the PFC. Therefore, the customers have less limitation to design the displays on their applications.