But we can’t deny this Arduino calculator project by [Danko Bertović] would ... for the keyboard and a very crisp 128×32 I2C OLED display. Beyond the battery, a crystal, and a handful of ...

[Lewin] wrote in to tell us about a high speed library for Arduino Due that he helped develop which allows interfacing OLED displays that use the SSD1306 display controller, using DMA routines ...