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U8g2 is a monochrome graphics library for embedded devices. U8g2 supports controller based (for example SSD1306) monochrome OLEDs and LCDs (See the U8g2/U8x8 setup guide for a complete list of supported display controller). The Arduino library U8g2 can be installed from the library manager of the Arduino IDE. U8g2 also includes U8x8 library:

• U8g2
  • Includes all graphics procedures (line/box/circle draw).
  • Supports many fonts. (Almost) no restriction on the font height.
  • Requires some memory in the microcontroller to render the display.
• U8x8
  • Text output only (character) device.
  • Only fonts allowed with fixed size per character (8x8 pixel).
  • Writes directly to the display. No buffer in the microcontroller required.

Overview

• Gallery
• Intoduction to U8g2
• U8g vs. U8g2 (with code porting guide)
• Supported Arduino Boards

Code Reference

• U8g2 C Setup
• U8g2 C++ Setup
• U8x8 C Setup
• U8x8 C++ Setup
• U8g2 Reference Manual
• U8x8 Reference Manual

Font Reference

• U8g2 and U8x8 Font Groups
• All U8g2 Fonts
• Monospace U8g2 Fonts
• All U8x8 Fonts

Other

• U8g2 Developer Information