[Joshua Woehlke] wanted to add a similar display to his 486 ... to hold a common 0.96″ SSD1306 OLED. From there it was just a matter of wiring it up to an Arduino and writing some code to ...

But we can’t deny this Arduino calculator project ... using an array of 17 tactile switches for the keyboard and a very crisp 128×32 I2C OLED display. Beyond the battery, a crystal, and ...