This paper presents a design of an alerting system for the person in case of alcoholic and drowsiness stage. This system facilitates the driving person and avoids accidents. This system comprises of a Microcontroller based monitoring system along with EYE BLINK SENSOR to detect the blinks of eye. When the eye blinks very faster in drowsiness, this system alerts the driver by giving a buzzer sound. This system also capable of detecting whether the driver is drunk or not by using Alcohol sensor. The modules used in the project are eye blink sensor, Alcohol sensor, LCD module and Microcontroller. The input and output modules are interfaced to the microcontroller and the microcontroller is programmed using Embedded C language. The system detects drowsiness whenever our eye blinking rate goes abnormal than in normal state and alcohol consumption whenever the level of consumption is above the threshold value set. Whenever it detects the low blinking rate than normal or alcohol level above threshold value set the output of this sensor is given to the Microcontroller for further processing. Microcontroller takes necessary action like alarm, stopping engine .

Keywords : Alcohol detection system, Vehicle control, Arduino,Eye blink sensor