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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.
@DrAzzy
Screen is one of these
http://www.espruino.com/HD44780
It's driven in 4 bit mode, it looks like.
Then everything is driven by the mcp23017 i2c pet expander. Nobody has written a module (what Arduino would call a library) for it that yet, probably since the espruino boards aren't pin starved quite like an Arduino is.