Waveshare 1.5 inch OLED display module 128 x 128 pixels 16-bit grey level with embedded controller communication via SPI or I2C interface: Amazon.de: Computer & Accessories
0,83 Zoll OLED Display Modul SPI, SSD1306 Controller, blau auf schwarz, 96x39 mit Tutorial | eBay
www.UlrichRadig.de :: Microcontroller and more! - OLED Display SSD1306