This is designed to provide a drunk driver warning device to give warning to the driver when drinking around the vehicle by (飮 酒) to drive in the state, and automatic emergency lights in the headlights.; The devised to achieve this, the alcohol sensor 10 for sensing the Drink of the driver, F / V converter 12 for converting the signal from the alcohol sensor 10 as a voltage component, wherein the F / V Converter alert driver 16 for turning on the emergency light 18 and the headlight (20) based on the signal from the comparator 14 and the comparator (14) for mutually comparing the reference signal of the signal and a predetermined value of from 12 It consists of the driver around the vehicle is able to know the facts quickly drunk to be able to make safe driving for them.
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