HC-SR04 Ultrasonic Sensor Intruder Alarm System Using, LCD Display

Arduino Circuit Displays Sensor result(distance on lcd before and after an intruder passes by)
Hardware needed:
HC-SR04
16X2 LCD
I2C MODULE
BUZZER
LED
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I2C library:drive.google.c...
Source code: drive.google.c...

[@kishorekumar-ib7wd]

how to add I2C in library

[@josharduino3241]

After Successfully downloading the Library
Follow these steps:
Launch Arduino IDE
Sketch -> Include Library -> Add .zip Library -> Select the Library which was downloaded ->ENTER