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Homemade Arduino Object Detector Keypad Alarm System | Ultrasonic Sensor + Keypad + LCD |
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- Опубликовано: 17 авг 2024
- Today's Project is a Simple Arduino Object/Intruder alarm system'
The alarm activates in 10 seconds after pressing the A button. For detecting objects it uses an ultrasonic sensor, and once the alarm detect something a buzzer starts emitting a sound. In order to stop the alarm we need to insert a 4 digits password. The preset password is 1234 but we also have the possibility to change it.
By pressing the B button we enter the password change menu where first we need to enter the current password in order to continue and then enter the new 4 digits password. Once the password is changed, the next time we activate the alarm, we will only be able to stop the alarm by entering the new password. If we enter a wrong password we will get a message that we need to try again.
It is advisable to seperate the alarm system from the ultrasonic sensor and the keypad
Whereas the Ultrasonic sensor can be placed at an angle close to the door..
while the buzzer can be placed at a desired location and the keypad and LCD display can also be placed at a desired location..
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Hardwares Used:
Arduino Uno/ Genuino
LCD Module
i2c
4X4 Keypad Module
HC-Sr04 Ultrasonic Sensor
Jumper Wires
Breadboard/Veroboard
8-10V DC battery
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Source Code:
drive.google.c...
Libraries:
i2c: drive.google.c...
in ardino the coding is not accepted
please check
The sketch will not open in the Arduino IDE - it's a pity because I wanted to build this project
will you plz wirte the source code in comment
its in the description