The article describes a clock developed from an electronic conference badge (which was introduced here). I could make an Internet connected NTP clock that shows time on an epaper screen. Source code The source of this app can be found here.
This post discusses something about epaper I have been able to learn. How ePaper displays work ePaper (also called eInk) displays use colored particles (also called pigments), some are positively charged and some are negatively charged depending on their colors. For every pixel, ePaper panel can apply either positive or negative voltage to each side…