I have posted a more comprehensive description of this on Hackaday https://hackaday.io/project/195010-pocket-pad/ . It has also been picked up by a Hackster writer here.
@jeffmer started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I have posted a more comprehensive description of this on Hackaday https://hackaday.io/project/195010-pocket-pad/ . It has also been picked up by a Hackster writer here.