FIELD: measuring.
SUBSTANCE: disclosed is a system for analysing coffee beans. Light sensor senses the level of darkening of the coffee beans, and the distance sensor is used to determine the distance between the light sensor and the coffee bean. Perceived darkening level is then calibrated using a certain distance, thereby obtaining a calibrated (and thus more accurate) darkening level, which is the roasting intensity.
EFFECT: invention can be used by a coffee machine to adjust coffee brewing parameters.
15 cl, 7 dwg
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