What’s better than regular sticky notes? Maybe these electronic sticky notes that stick to various surfaces and have an energy efficient design. As Tobias Große-Puppendahl explains, a low-resolution e-paper was used for these displays. These thin, wireless, photovoltaic-powered devices are ideal for indoor use.
The display can trigger an update every 1-25 minutes depending on the ambient lighting and connect to smartphones and PCs via Bluetooth.