How would you know the user is ready to perform the command?

cortesoft 6 days ago | parent | next [-]

It wouldn’t matter… just tell the user to close and open the lid before pressing enter again, and get the maximum (or minimum) value as the lid being close all the way.

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begemotz 6 days ago | parent | prev | next [-]

like the answer to any other similar question, with a prompt?

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eviks 6 days ago | parent [-]

Prompt for what? A Key press?

	▲	NuclearPM 4 days ago \| parent [-]
		You really can’t solve this on your own?

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FinnKuhn 6 days ago | parent | prev [-]

You could use the camera to estimate if the laptop is closed.

	▲	eviks 6 days ago \| parent [-]
		Exactly my thought, but this might not be precise enough in low light conditions? So maybe best used as a fail safe (if camera is lit don't calibrate even if the user pressed confirmed)