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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.
@Gordon
I have had those LCDs working off of GPIO (hence the example there) as the GPIOs will provide 20mA. It's not great though and brightness generally suffers compared to wiring directly to power - it's just a handy way of using the display if you want to plug it into breadboard without much wiring :)