Door Close Reminder

by Inessssssss in Circuits > Arduino

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Door Close Reminder

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This is the machine behind the door. When you open the door, it makes a sound to remind you to remember to close the door.

Supplies

Arduino Leonardo board

wires

speaker

Ultrasonic sensor

Code

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write the program

https://create.arduino.cc/editor/bolunchang/5a829a89-4606-4f84-b139-a51b637ffca0/preview

Arduino Leonardo

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Plug in all wires, install speaker and Ultrasonic sensor

Finish