Door Alarm With Ultrasonic Sensor

This project uses an ultrasonic sensor to "sense" if the door opens or closes.

Jan 4, 2018

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Components and supplies

1

Buzzer

1

Breadboard (generic)

1

Ultrasonic Sensor - HC-SR04 (Generic)

1

Arduino UNO

1

Jumper wires (generic)

Project description

Code

distance alarm

arduino

An alarm that measures the distance between the wall and door nob or door.

Downloadable files

distance warnig

distance warnig

distance warnig

distance warnig

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MattG

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Table of contents

Intro

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