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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 believe Bangle.js 2 does have all the AA functionality but the screen is only 3 bits so it's of limited use unless you dither.
If you did want to have some antialiasing maybe consider using one of the colours as a 'grey' - for example White,Red,Black
... but whether that would be useful with a normal red-light barcode reader I don't know.
Having said that, the barcode reader probably won't be pin-sharp so I imagine that dithering may well be good enough