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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.
@Evgeny
Thank you! I just saw the commit fixing the arbitration error, and tried 2v06.122. The flicker is mostly gone (as is the broken behavior of the previous cutting edge build that was apparently related to arbitration error). However, if I call setLCDBrightness() enough times, the flicker does come back eventually, and stays until (a) the next call to setLCDBrightness(), or (b) the next time the screen turns off and back on.