b'SERVO MOTORS DISTANCE SENSOR MOTION ALARMA B CPROJECT 3Tired of your cat walking all over theNEW COMPONENTS INTRODUCED IN THIS PROJECTkitchen counter? How about the dogSERVO MOTORgetting into the garbage? Need a way toULTRASONIC DISTANCE SENSORNEW CONCEPTS INTRODUCED stop your younger sibling from sneakingIN THIS PROJECTinto your bedroom? Learn how to protectPWM DUTY CYCLEARDUINO LIBRARIESagainst all of these annoyances as youOBJECTS AND METHODSDIGITAL SENSORSDATASHEETSbuild a multipurpose motion alarm. TheSERVO MECHANISMSalarm detects distance and motion usingYOU WILL LEARNan ultrasonic distance sensor, andHOW TO CONTROL A SERVO MOTORHOW TO USE AN ULTRASONICcreates motion using a servo motor. DISTANCE SENSORHOW TO MOVE OBJECTS USINGSERVO MECHANISMS53 : circuit 3a'