OLED display 128 x 64 I2C - Blue. OLED (Organic Light-Emitting Diode) means that the screen consists of all small LEDs (each pixel is equal to 1 LED). As a result, the display does not need a backlight and is much more economical to use. In addition, this gives a much higher contrast, making this display very clear and legible despite its size. Dimensions: 27.8 x 27.3 x 4.3mm (hxwxd). Screen size: 19 x 27.3mm. https://elecena.pl/product/27738879/opencircuit-oled-display-128-x-64-i2c-blue 2025-01-22 https://elecena.pl/product/27738879/opencircuit-oled-display-128-x-64-i2c-blue 2026-04-11