A Tiny Alarm System Using a Tiny Arduino Compatible Board!

This is a project for a simple and tiny alarm system. It reads the distance between itself and an object facing it, and beeps accordingly.

Jul 1, 2018

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Components and supplies

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Solderless Breadboard Half Size

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Jumper wires (generic)

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Resistor 330 ohm

1

Buzzer

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LED (generic)

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9V battery (generic)

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PICO

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Ultrasonic Sensor - HC-SR04 (Generic)

Project description

Code

Ultrasonic sensor only code

c_cpp

This is the Arduino code for the ultrasonic sensor only.

Buzzer and Ultrasonic Sensor Code

c_cpp

This is the same code for the ultrasonic sensor, with the code for the buzzer added

Ultrasonic sensor only code

c_cpp

This is the Arduino code for the ultrasonic sensor only.

Buzzer and Ultrasonic Sensor Code

c_cpp

This is the same code for the ultrasonic sensor, with the code for the buzzer added

Finished Project Code

c_cpp

This is the final code for the project. It contains the code for all of our components.

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MellBell

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