Sep 27, 2018
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Arduino Based Alcohol Detector
h
1//Program to 2 3 4#include <Servo.h> 5 6 7#include <LiquidCrystal.h> 8 9 10LiquidCrystal lcd(2, 3, 4, 5, 6, 7); 11 12int ledPin = 12; 13 14int sensorPin = A1; 15 16 17Servo myservo; 18 19 20int pos = 0; 21 22 23int value; 24 25 26void setup() 27 28{ 29 30 31Serial.begin(9600); 32 33lcd.begin(16,2); 34 35 36pinMode(ledPin,OUTPUT); 37 38 39 myservo.attach(10); 40 41} 42 43 44void loop() 45 46{ 47 48 49int Value = analogRead(sensorPin); 50 51value = analogRead(A1); 52 53 54 55lcd.print("Alcohollevel:"); 56 57lcd.println(value); 58 59Serial.println(value); 60 61 62if (Value > 500) 63 64{ 65 66 digitalWrite(ledPin,HIGH); 67 68 69 70 lcd.setCursor(0, 2); 71 72 lcd.print("Alert....!!!"); 73 74 Serial.print ("Alert"); 75 76 77 78 myservo.write(100); 79 80 81 82 } 83 84 else { 85 86 digitalWrite(ledPin,LOW); 87 88 89 90 lcd.setCursor(0, 2); 91 92 lcd.print("Normal... :)"); 93 94 Serial.print("Normal"); 95 96 97 98 myservo.write(0); 99 100 } 101 102 103 104 105 106 107delay(1000); 108 109lcd.clear(); 110 111 112}
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