└── README.md


/README.md:
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  1 | # ANTI-SLEEP-ALARM-FOR-DRIVERS-AND-BREAKING-SYSTEM-
  2 | import cv2
  3 | import dlib
  4 | from scipy.spatial import distance
  5 | 
  6 | # Function to compute the eye aspect ratio (EAR)
  7 | def calculate_EAR(eye):
  8 |     A = distance.euclidean(eye[1], eye[5])
  9 |     B = distance.euclidean(eye[2], eye[4])
 10 |     C = distance.euclidean(eye[0], eye[3])
 11 |     ear = (A + B) / (2.0 * C)
 12 |     return ear
 13 | 
 14 | # Thresholds
 15 | EYE_AR_THRESH = 0.25  # Threshold for EAR
 16 | EYE_AR_CONSEC_FRAMES = 20  # Number of consecutive frames the eye must be below the threshold to sound alarm
 17 | 
 18 | # Load the face detector and landmark predictor
 19 | detector = dlib.get_frontal_face_detector()
 20 | predictor = dlib.shape_predictor('shape_predictor_68_face_landmarks.dat')
 21 | 
 22 | # Indexes for the left and right eye landmarks
 23 | (lStart, lEnd) = (42, 48)
 24 | (rStart, rEnd) = (36, 42)
 25 | 
 26 | cap = cv2.VideoCapture(0)
 27 | frame_counter = 0
 28 | 
 29 | while True:
 30 |     ret, frame = cap.read()
 31 |     gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
 32 | 
 33 |     rects = detector(gray, 0)
 34 | 
 35 |     for rect in rects:
 36 |         shape = predictor(gray, rect)
 37 |         shape = shape_to_np(shape)
 38 | 
 39 |         leftEye = shape[lStart:lEnd]
 40 |         rightEye = shape[rStart:rEnd]
 41 | 
 42 |         leftEAR = calculate_EAR(leftEye)
 43 |         rightEAR = calculate_EAR(rightEye)
 44 | 
 45 |         avg_EAR = (leftEAR + rightEAR) / 2.0
 46 | 
 47 |         if avg_EAR < EYE_AR_THRESH:
 48 |             frame_counter += 1
 49 |             if frame_counter >= EYE_AR_CONSEC_FRAMES:
 50 |                 cv2.putText(frame, "DROWSINESS ALERT!", (10, 30), cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 0, 255), 2)
 51 |                 # Trigger alarm here (buzzer or speaker)
 52 |         else:
 53 |             frame_counter = 0
 54 | 
 55 |     cv2.imshow("Frame", frame)
 56 | 
 57 |     if cv2.waitKey(1) & 0xFF == ord('q'):
 58 |         break
 59 | 
 60 | cap.release()
 61 | cv2.destroyAllWindows()
 62 | #define trigPin 9
 63 | #define echoPin 10
 64 | #define motorPin 3  // Motor connected to pin 3
 65 | 
 66 | void setup() {
 67 |   pinMode(trigPin, OUTPUT);
 68 |   pinMode(echoPin, INPUT);
 69 |   pinMode(motorPin, OUTPUT);
 70 |   Serial.begin(9600);
 71 | }
 72 | 
 73 | void loop() {
 74 |   long duration, distance;
 75 |   
 76 |   // Send the ultrasonic pulse
 77 |   digitalWrite(trigPin, LOW);
 78 |   delayMicroseconds(2);
 79 |   digitalWrite(trigPin, HIGH);
 80 |   delayMicroseconds(10);
 81 |   digitalWrite(trigPin, LOW);
 82 |   
 83 |   // Measure the pulse duration
 84 |   duration = pulseIn(echoPin, HIGH);
 85 |   
 86 |   // Calculate the distance
 87 |   distance = (duration / 2) / 29.1;
 88 |   
 89 |   // Display the distance
 90 |   Serial.print("Distance: ");
 91 |   Serial.println(distance);
 92 |   
 93 |   // Brake when an obstacle is within a certain distance
 94 |   if (distance <= 20) {
 95 |     analogWrite(motorPin, 0);  // Stop the motor (apply brake)
 96 |     Serial.println("Braking...");
 97 |   } else {
 98 |     analogWrite(motorPin, 255);  // Normal operation (motor running)
 99 |   }
100 |   
101 |   delay(100);
102 | }
103 | 


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