For any query mail us at : [email protected]
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You can get all the components @Amazon.The links are given below:
ARDUINO UNO:http://amzn.to/2hIbkl1
ULTRASONIC SENSOR:http://amzn.to/2hddlqp
BREAD BOARD:http://amzn.to/2h2ui1s
BUZZER:http://amzn.to/2h2Dx1H