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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
Just to check - are you using an up to date firmware on the Pico?
I guess it's possible that the display is being powered through the other data pins. You could use
digitalWriteto set them all to 0 - but I'm surprised that wasn't an issue originally.Actually @MichaelPralow is the guy that wrote this module - I wonder if he has any ideas?