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Channel: Efstathios Chatzikyriakidis » Arduino & Processing
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Arduino: Digital Indicator of Alcohol Content.

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This project refers to an Arduino sketch that implements the logic of a digital indicator of alcohol content. This system can be used as a device for breath test. There is the MQ-3 sensor in the system to detect alcohol. A suitable multi-LED bar graph (which is driven by a 8-bit shift register 74HC595) is […]

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