After sending off the design files to Ynvisible and getting the flexible displays back ... at least in the Arduino world; the segments need +1.5 volts with reference to the common connection ...

Overcoming Limitations of Current Flexible Displays As the display industry rapidly advances toward flexible technologies—bendable, foldable, rollable, and stretchable—most implementations ...

[hamblin.joe] wanted to do a simple project for kids along these lines, so whipped up a neat design using analog meters to display the time. The build relies on that old stalwart, the Arduino Uno ...