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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.
@SergeP
@Robin sorry, I am not sure I understand your question.
I've created global buffer to use. At startup it is blank, and I send it to display twice (one to synchronize and one to blank display while startup proceed). Then I use the buffer to write time etc.
If display is not synchronized it can show some noise after first data out, sometimes the noise is too bright.