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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.
@Kim
Well, I still use the code example you provided to initialise everything so I think that the waiting is indeed sufficiently dealt with. The baud rate I use has one more 0 than yours, but given that you warn about rates below 1Mhz I assume that this is what you meant.
When the screen isn't working though, I am capable of turning the backlight on and off, so I assume it must be an issue related to the initialisation of the screen.