Burglar Alarm in a Coin bank Rabbit using Arduino

This tutorial is brought to you by ALP Electronic Innovation
Our Coin bank Rabbit equipped with Ultrasonic Distance Sensor.

Download our FREE Arduino Project Code here.

Step 1: Prepare all the components

Burglar Alarm in a Coin bank Rabbit using Arduino
Burglar Alarm in a Coin bank Rabbit using Arduino
Burglar Alarm in a Coin bank Rabbit using Arduino
Burglar Alarm in a Coin bank Rabbit using Arduino

Requirements:

HC-SR04 Ultrasonic Sensor
4N35 Optocoupler
Arduino Uno
LED

Step 2: Build the circuit

Burglar Alarm in a Coin bank Rabbit using Arduino
Construct the circuit as shown.

Step 3: Add the Ultrasonic Sensor

Burglar Alarm in a Coin bank Rabbit using Arduino
Connect the following:

VCC to arduino 5v
GND to arduino GND
Echo to Arduino pin 3
Trig to Arduino pin 2

Step 4: Add Optocoupler

Burglar Alarm in a Coin bank Rabbit using Arduino
The sound is optional if you have a separate project kit.
Use the Optocoupler and connect to Pin 4 of Arduino Uno.

Step 5: The Coin Rabbit

Burglar Alarm in a Coin bank Rabbit using Arduino
Install all LEDs inside the Coin rabbit's eyes & hands.
Also, the Ultrasonic distance sensor.

Step 6: Test the project

Burglar Alarm in a Coin bank Rabbit using Arduino
Test the sensor.
Supply 9 volts battery of from Power Digital Supply to your Arduino.

 
 

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