A set of two OLED displays with a 1.3” screen size. Very small but should be good for some Arduino projects ... technology uses electronically controlled polarizers to change the way light passes or ...

If you’ve got an Arduino, a few passive components, and a SSD1306 OLED, then [mircemk] might have the answer for you. As you can see in the video below, his code turns a handful of cheap parts ...

It uses an Enigma emulator running on an Arduino, similar to one that he stuffed ... a bit to fit the contours of the case. A small OLED screen peeks through the front bezel, which is done up ...