Theft Detector

by Aanya_J in Circuits > Arduino

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Theft Detector

Theft detector cover.jpg


  • This is a theft detector which can alert you by playing a buzzer when a thief is trying to steal your precious belongings.
  • Thus, in the future if any of your siblings are trying to steal your chocolates this theft detector will alert you and keep you on the lookout for any thieves.

How does it Work?

  1. A buzzer and motion sensor is connected to an arduino
  2. When the simulation is started, if the motion sensor detects motion then the buzzer makes sound

Applications

  • Burglar Alarm
  • Vehicle Theft Prevention

Given above is a short video to show the working of the theft detector

Downloads

Supplies

Supplies.png
IMG20230227204336.jpg
  1. Arduino UNO
  2. PIR / IR sensor (I have used an IR sensor in my hardware because its range of motion detection is lesser than that of PIR sensor, but its as a proper theft detector using a PIR sensor is a better option as it can detect motion around a wider range.)
  3. Buzzer (Piezo)

Connecting Buzzer

Step 1 buzzer.jpg
Step 1 code.jpg
  1. Drag the required electronic components from the component panel
  2. Connect the negative end of the buzzer to the ground
  3. Connect the positive end of the buzzer to any of the digital pins
  4. The tone of the buzzer can be changed

Connecting the PIR Sensor

Step 2 .jpg
  1. Drag a PIR sensor from the component panel
  2. Connect ground of PIR sensor to ground of arduino
  3. Connect Power of PIR sensor to 5V
  4. Connect Signal of PIR sensor to any digital pin (I have taken 6)

Coding

Step 3.jpg
Step 3 code.jpg
  1. Connect both PIR sensor and buzzer to the Arduino
  2. Open the blocks tab and start coding on the arduino

How does it work?

Input: PIR sensor reads digital pin 6 and detects motion

Output: When PIR sensor detects motion it plays the speaker connecte on pin 7 and plays the buzzer for 1sec