See Brady Products
2 x 16 Modular Character OLED - I2C MPU Interface - 2 x 16 - 2.4-5V - I2C - Controller:US2066 - 1 x 7
Character OLED - 2 x 16 - 5V or 3V - Parallel / 3 wire SPI - Controller:Proprietary - 1 x 16 Top
40x2 White Character OLED
8x2 Yellow Character OLED
20x2 White Character OLED
16x1 White Character OLED
16x2 White Character OLED
20x4 White Character OLED