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• #2
Thanks - yes, I can imagine that really helps.
It's unfortunate that the Bangle's backlight isn't on an IO pin, so it can't be controlled by hardware PWM - it has to be software (using the same I2C interface used for accelerometer/etc), and that means other things interfere.
The lowest value for setLCDBrightness is 0.002
gives 1.
There is a lot of flicker when idle because irregular frametimes due to peripheral poll. HR + accel.
default is 80ms.
But 4000ms seems to make the flicker much less severe. If you are not using HR/accel, it might come in handy.