Many bad things like drink poisoning caused by the expiration period has elapsed. Therefore we need a tool that can identify a beverage. At the end of the project is intended to create a tool that can identify a beverage, including milk and fruit juice. Sample is taken from the original product still has not given tanbahan preservatives. This tool focuses on the physical appearance of the beverage to be tested is the color. Process briefly, TCS 3200 color sensor will take data in the form of object color. Color is taken from the RGB color data. The output of the sensor in the form of frequencies will be immediately processed ATmega microcontroller 16 and its output to the LCD display. Final output of the RGB color composition of an object as well as recommendations that the observed object is not suitable for consumption. Confidence interval estimation method of physical appearance especially of a liquid milk drinks and apple juice can be observed although the resulting error is still large enough to measure food-related equipment. Keywords: liquid milk, juices, TCS color sensor 3200, ATmega 16 microcontroller, LCD
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