Liquid Level Indicator with Audio and Vibratory Feedback from RNIB
An electronic device to determine the level of liquid poured into a cup or a container
The liquid level indicator helps prevent hot water and other liquids from overflowing while making or pouring a drink. The device is placed on the side of the cup and it indicates through a series of beeps and vibrations when the liquid has reached the top. Suitable for use with both hot and cold liquids.